Are tritium vials safe


Are tritium vials safe. With all of the said not all skin is made equal. trigalight is a unique self-powered illumination technology with the world’s smallest gaseous tritium light sources (GTLS), which deliver luminescence for decades without any external energy source. Aug 4, 2020 · Watch the following quick video for an explanation of how tritium lamps or vials are made! Check out this quick educational video about how tritium lamps/vials are made. 0 sights are built to withstand years of EDC use and abuse. Tritium can be combined with phosphor to create glow-in-the-dark lighting such as exit signs, emergency lighting in buildings, and airport runway lights. Being radioactive causes tritium to undergo a process of radioactive decay. Tritium vials come in multiple lengths and colors, and the vials themselves will Tritium vials safety, something new that may be concerning. Compact and Durable Design. If one does break, the tritium will dilute in the air very fast. Dec 14, 2020 · Tritium generally poses an internal hazard upon uptake rather than an external hazard. The set drives focus downrange using a serrated blacked-out rear sight and a dual-illuminated tritium photoluminescent front sight. 5mm 1. Mar 29, 2023 · The Minnesota Department of Health says tritium can't travel far by air, and it's too weak to go through skin. $96. Whe. Traser Code Blue - Credit Watchgecko. Mar 18, 2018 · 2620 posts · Joined 2000. 098"] Total Assembled The physical half-life of tritium is 12. 6. Free shipping on domestic orders over 30£. We would like to show you a description here but the site won’t allow us. I let it cool enough to handle it, then apply compressed air to the vent hole using a rubber-tipped blow gun, until the vial blows Jul 1, 2006 · Tritium is radioactive hydrogen. pdf -- PDF Document, 3. In addition, this tritium ring is available in 4 different sizes: 16, 18, 20, and 22mm. In addition, the shape of this watch promotes comfort. 5x6mm tritium vials. Once we have the backing off, you can see both the level, and that the H3 vial fits perfectly in the slot. Such testing is necessary to ensure that the glass containing the radioactive tritium is capable of withstanding the extreme environments of launch and space for extended periods of time. Item added to your cart. In Bead Blasted or Black Diamond Finish. The Luminox Men’s 3051 EVO Navy Seal Colormark Watch is the ultimate way to achieve Jan 12, 2006 · Re: Tritium vial on neck lanyard / any health hazard ? "Tritium (H3) is a radioactive isotope of the element hydrogen (H) that emits ionizing radiation in the form of a weak beta particle. Material: Ti-6Al-4V Titanium Finish: Bead Blasted Outside Diameter: 12. The Tritium vials used are light sources of gaseous tritium isotope, hermetically sealed in glass. When discussing how long do tritium night sights last, we must praise tritium lights for their lifespan of approximately 12 years. However even old tritium will glow longer and with more consistency than traditional watch luminescence. 5. 00 - per item. This technique assures the identification of tritium in drinking water at a concentration fifty-fold lower than promulgated in the Safe Drinking Water Act, PL 93-523. 7. 39 MB. 122. The TEC Accessories Isotope tritium fobs are a series of keychain fobs (or "lanterns") specifically designed to mount self-luminous tritium vials. Full range of colours Green, Blue, Yellow, White, Red, Purple, Pink in 3mm x 22. Tritium (3 H) is a radioactive isotope of hydrogen, with a nucleus consisting of a proton and two neutrons. Or we will ask you to pay again to compensate our 5% loss of currency exchange. Never lose your keys again. Is it safe? In short – yes! Mar 14, 2023 · Learn about tritium and its impacts. Small Business. 50. Jul 17, 2020 · Tritium is an isotope of Hydrogen. 00 (97% off) Movement: ETA 2892 automatic. R3D 2. Oct 18, 2022 · This backgrounder provides a general overview of the health effects of tritium and the technical bases for the NRC's standards to protect public health and safety, as well as the drinking water standards established by the U. May 1, 2024 · For example, it can be in the shape of numbers and curves. Further, since Tritium is a low energy beta emitter, even if a tritium vial was broken, it is NOT dangerous externally (its beta particles are unable to TEC-T3-6X Titanium Isotope Triode Fob, Titanium housing for tritium vials. Tritium is unable to diffuse through these glass vials. DOE-STD-1129-2015, Tritium Handling and Safe Storage. 5mm x 6mm, 3mm x 11mm and 3. Due to the long half-life of tritium, tritiated waste must be segregated from short-lived waste. As the tritium breaks down and gives off Mar 13, 2020 · The Hazards of Tritium. However, it is true that it is more practical to use tritium gas for radio-luminescence, but these vials are often small enough to fit twelve of them in a watch face. 3 years and a specificactivity of 2. History and production. Otherwise you could eat the damn thing and take a glowing shit. The case is made from a carbon compound, with a unidirectional bezel and a tempered scratch-resistant mineral crystal. Meprolight uses Swiss-made tritium vials in the manufacture of its night sights which come in green, yellow or orange. 49. I can't find details of the studies done to determine which body parts where tested. Tritium fades over time and is restricted to cylindrical tubes or tiny gas vials, which can only be used as markers with a certain shape. Correct. 4. Designated as the PRE model (Picatinny Rail Edition), it takes our original Isotope design to the next level. Some quick math will tell us that after 24 years the brightness will be at 25%, and then 12. One thing to take note of - while tritium is very safe, if injested and the vial breaks it could be serious, so I made sure I picked a clock face that had a glass cover so if any marker falls off then the clock will retain it and not risk any children or pets putting it in their mouth. by The Mako Group. Description. The TEC-T3-6X Isotope Triode Tritium Fob is a metal housing suitable for mounting tritium vials (6, 3mm x 11mm or 2. net (We take US$ only) If we asked you to pay certain amount of US$, DO NOT change to local currency NT$. Stock vials should therefore be wipe tested routinely (ie, quarterly) to Jan 30, 2024 · Are Tritium Night Sights safe to use? Yes, tritium night sights are safe to use. incl. However, Tritium (from Ancient Greek τρίτος (trítos) 'third') or hydrogen-3 (symbol T or 3 H) is a rare and radioactive isotope of hydrogen with half-life ~12. 3 years, meaning that it takes that amount of time for half of the tritium to decay into helium-3, which is a stable isotope of helium. This Standard provides useful information for establishing processes and procedures for the receipt, storage, assay, handling, packaging, and shipping of tritium and tritiated wastes. Description Trigalight Tritium Vial 3mm x 11mm Capsule - Made in Switzerland - These are the original Swiss made Trigalight Tritium capsules as used in many high-end Swiss made watches. Tritium gas is self-powered and does not require batteries. I used two types of glue, UV cured and clear rubber glue. As it decays, a small about of energy is gives off. Tritium is also produced during nuclear weapons explosions, and as a byproduct in nuclear reactors. General information. The effect of large vials on counting efficiency, plasma Tritium is a byproduct of power creation, but it's already in water form, so it's not usable as a gas. With no electrical energy to help them along, the light will continue to glow for the entire lifespan of the Tritium Workshop - Supplier of Tritium Vials, Isotope Fobs, Titanium Keychains. Illuminated with glow in the dark tritium. Nov 12, 2014 · To install these, we need to remove the rubber backing from the Accuracy 1st Level. April 19, 2023 By Richard Nance. The tritium gas is securely contained within a small glass vial, which is designed to withstand both mechanical and thermal stress. £5. 0 mm [0. Department of Energy AREA SAFT Description Trigalight Tritium Vial 3mm x 22. You can buy the ring alone or supply it with 6 different colors of tritium vials. 5% after 36 years, ad infinitum. You get more radiation from a cell phone than you would breaking a whole handfull of these in your hand. Ball Watch Co. Tritium vials come in a variety of colors, and will glow for many years without requiring any type of "charging" from sunlight. 449"] Split Ring Hole Size: 2. $2,749. Tritium can penetrate plastic and other materials. Sep 23, 2023 · There were no concerns about it dimming or failing, and it required no maintenance or attention on my part. Luminox Navy Seal 3501. These are the biggest and the brightest tritium vials you could find! Their brightness is more similar to a glow stick. desther@msa. T1. Uses. 1x6G Vials. Although naturally occurring on Earth, significant amounts of tritium are also generated by human… Tritium vial is included - The TEC-S360 Isotope Fob is a keychain fob specifically designed to hold a standard 3mm x 22. May 2, 2018 · Meprolight: Meprolight is an Israeli company represented in the U. Check out our tritium vials selection for the very best in unique or custom, handmade pieces from our tools shops. 5mm x 25mm. Tritium is already used in several other applications such as gun sights, illuminated exit signs, watch dials, key chains, and even battery free flashlights as used by Prince Harry. The electric energy in the trigalight is generated by the tritium gas, a beta emitter. 5mm x 25mm Capsule - Made in Switzerland - These are the original Swiss made Trigalight Tritium capsules as used in many high-end Swiss made watches. The Tritium illumination used in all Nite watches is supplied by mb-microtec of Switzerland – the original founders and market leaders of the technology. I tried to push the vial out gently through the hole in the front of the site just to see if it was loose and no movement. The inventory listed on vials and related markers may not be 100% accurate as sometimes they are taken faster than we expected. If you have any question on usage, please contact us. Although the Isotope was designed by request for a special customer, it is KEYWORDS: tritium, promote excretion, hydrogen-rich water 1. I did a bit of research and here is my findings/concern: Tritium is a radioactive element that in large quantities is insidious enough to increase the yield of nuclear weaponsdo I really First off I know tritium is a low level beta radiation that is 100% safe because it can't penetrate human skin. They do not include tritium vials themselves, you must purchase the vials from a source typically outside the United States. This particular watch is known to shine 100 times brighter than other luminous watches out there. Tritium is produced at a rate of 2 x 10 12 Bq/MW(e) in the heat transport system, but the majority (97%) comes from the moderator where it is produced at a rate of ∼7. The issue is the broken vial. 1 This method covers the measurement of tritium (as T 2O or HTO) in a sample of drinking water by liquid scintillation spectrometry. , 1984). Tritium is the only radioactive isotope1 of hydrogen and it is commonly represented by the chemical symbol H-3, 3H, or simply T. Luminous Tube, 1. It is advantage that minimal organic waste is generated when a plastic scintillator is used for LSC measurement. The Glow Rhino Tritium EDC Glow Fob is an key add-on for finding your things at night. TEC-T311-6X Isotope ATOM (with 6 Tritium Vials) $ 124. 123. *Tritium products cannot be exported to the USA. $4695. i NOT MEASUREMENT SENSITIVE DOE‐STD‐1129‐2015 September 2015 DOE STANDARD TRITIUM HANDLING AND SAFE STORAGE U. tritium vials, tritium keychain, tritium key fob, titanium tritium key fob. The TEC-T323-2X Isotope Fob is designed around the use of two glass tritium vials (included), which will glow continuously for many years without the need to charge it from sunlight or UV light. The TRUGLO TRITIUM Night Sight has been designed to be compact, snag-free, and highly durable. Is Tritium Safe? Feb 7, 2014 · And, unlike other radionuclides, tritium is usually part of water, so it ends up in all parts of the body and therefore can, in theory, promote any kind of cancer. All Products, Titanium; TEC-T323P Isotope Photon Fob (tritium included) Jan 2, 2015 · It's the perfect key chain attachment for your hiking and camping gear, and the tritium vial does not require "charging" from an external light source. Markers and beads are ideal to attach with your vital equipment or belongings so they Aug 18, 2006 · Well, I left the front night site on, beings it was staked, and it came through the baking process just fine, still bright as ever. doe-std-1129-2015. BO, which is off the new generation of the popular Luminox Navy Seal 3500 Series, uses tiny tritium gas Tritium exit signs contain a small amount of radioactive tritium gas, which emits low-energy beta particles to produce the visible light in the signs. 5 * 6mm 8pcs Glass Luminous Vial Glow rods Made of Rare Earth Materials, EDC Players, for DIY Various EDC Accessories and Decoration. Environmental Protection Agency. This radioactive tritium gas glows completely on its own, in a very safe manner, without needing to be 'charged' with light as required by most phosphorescent glow in the dark products. 0 sights are the brightest notch and post option for fast and accurate shooting in bright and low light. Finest quality Swiss made Trigalight Tritium Vials, 1. Imported from Switzerland, the tritium vials glow by itself at night without absorbing any extra source of lights and last for decade, decorate your RGB laser unlike the others, make your own exclusive personal RGB laser! Tritium Vials. 3 H and 14 C waste may be combined, but must be kept separate from 32 P,35 S,125 I and other radioactive waste. 1. During this decay process, the tritium atom transforms into a nonradioactive helium atom and, in the process, emits a Tritium is a radioactive isotope of hydrogen. A trigalight consists of a glass capillary, the inside of which is coated with a luminescent powder (zinc sulphide) and filled with tritium gas. Please enjoy your stay here. It has one proton and two neutrons in its nucleus, making it heavier than the most common hydrogen isotope. At 12 years tritium reaches a “half-life” when it will reduce in brilliance. 8 mm [1. Tritium production, I believe, involves separating the H from the O, and then separating the H3 from the H and H2. Feb 5, 2018 · The short answer, provided by the Health Physics Society, is no—tritium as used in night sights and other products has no power to change DNA. Original Swiss made Trigalight Tritium vials/capsules as used in many high-end Swiss made watches. 1. SPECIFICALLY DESIGNED TO HOUSE TRITIUM VIALS: The TEC S323 Isotope Fob is a keychain fob specifically designed to mount a standard 3mm x 23mm self-luminous tritium vial. Summary. Are there different color options for Trijicon tritium sights? Trijicon offers tritium sights in a variety of colors, including green and orange, to suit individual preferences. 5mm self-luminous tritium vial. Skip to content TEC-T3-6X Titanium Isotope Triode Fob, Titanium housing for tritium vials. 94 inches). 5 * 6mm Luminous Vial Glow rods Made of Rare Earth Materials, EDC Players, for DIY Various EDC Accessories and Decoration. Aug 27, 2023 · Durability. Nuclear facilities emit very large amounts of tritium, 3 H, the radioactive isotope of hydrogen. 2 x 10 13 Bq/MW(e) (Wong et al. This Luminox Navy Seal 3501. 5mm vial OR (2) 3mm x 11mm vials stacked vertically. 5mm Capsule - Made in Switzerland - These are the original Swiss made Trigalight Tritium capsules as used in many high-end Swiss made watches. Day/night sights like SIG’s X-Ray 3 provide a bright green ring around the front tritium vial for faster acquisition in any lighting condition. All vials are recommended to use for safety and emergency illustration only. ensuring secure, safe transactions; secure Mar 13, 2023 · Tritium is a radioactive isotope of hydrogen with the symbol T or 3H. Poisoning from this weak form of ionizing radiation These Tritium Glow Tubes are perfectly safe to handle as the beta radiation generated from the Tritium decay cannot pass through the glass wall of the vial. Much evidence from cell/animal studies and radiation biology theory indicates that tritium is more hazardous than gamma rays and most X-rays. KG says to bake at 325, I baked at about 310-315 for a little over an hour. Tritium has a half-life of about 12. 14. Apr 10, 2023 · A tritium watch can be expected to glow for 25 years (although many go longer). 0mm. Tritium Vials: The RGB laser comes with totally 14 spots for installing tiny tritium vials. Jul 21, 2011 · 141 posts · Joined 2011. An exception is when T-T or D-T reactions occur in significant number in relatively close proximity. The gas is radioactive, but it emits low energy levels especially when it decays . Phosphor, by the way, determines the color of the glow - green being the brightest. is perhaps the brand best known for its use of tritium — and the company likes to lay it on thick. I recommend you turn the level vertical, so that the H3 Vial drops right in. I find the UV gl 3. 20 ml vial containing tritium free water or water absorbent as the HTO trap In some cases, solid absorbers such as zeolite or silica gel are used as a tritiated water trap. Flashlight mods. Even if the glass vial were to break, the small amount of tritium gas inside would immediately diffuse into the air, posing minimal To produce a GTLS vial, glass is lined with phosphorescent material, then filled and pressurised by a machine with gaseous Tritium and sliced into segments by a laser beam to be sealed hermetically. The tritium vials found in gun “night sights” and wrist watches contain a small amount of tritium gas and phosphorus or other photo-sensitive materials. When decaying the tritium losses electrons. $4. To produce a GTLS vial, glass is lined with phosphorescent material, then filled and pressurised by a machine with gaseous Tritium and sliced into segments by a laser beam to be sealed hermetically. How Safe is Tritium in Watches? It is completely safe. Our PayPal Account: dy. The manufacturer does not provide a warranty for the glass component of the tritium tubes/vials which may crack/break if subjected to shock, hard knocks or misuse. But that also helps reduce the Small amounts of tritium, despite being radioactive, are completely safe. I use a Geiger counter to ch Tritium has, for the most part, the chemical properties of hydrogen. Trigalight Tritium Vial 1. 1,2 The average energy of the β-ray emitted by tritium is 5. Tritium is a form of hydrogen. Tritium is produced naturally in the upper atmosphere when cosmic rays strike nitrogen molecules in the air. Exciting phosphor with the help of radioactive material is the key to tritium night sights. Thanks. Since criminals obviously prefer to avoid apprehension, it should come as no surprise that criminal Jun 4, 2024 · Radionuclide Basics: Tritium. 95; Select options; Quick View. 33 years, meaning that it takes just over 12 years for tritium to decay to half of its original amount. There is a little room to adjust the vial left or right. 00 at ballwatch. TRITIUM: A primer on tritium vials and where to buy them. It is the buyer's responsibility to possess a valid license for the import and handling of tritium illuminated products. One such way of thinking about this is recalled by the old saying - "close only counts in horseshoes, hand grenades, and H-bombs". The nucleus of tritium (t, sometimes called a triton) contains one proton and two neutrons, whereas the nucleus of the common isotope hydrogen-1 (protium) contains one proton and zero neutrons, and that of a non-radioactive These bright tritium vials measure 6mm x 100 mm (0. The sights are available for a variety of popular handguns and have a 12-year warranty on the tritium vials. So I have been intrigued by watches using tritium vials since they glow constantly for years on their own. As tritium decays, it changes to helium. 8pcs Glass Luminous Tube, 1. 5x6. (Green) View all. Quick View. There's apparently only one place that makes the Tritium vials, but I don't know where it is. 26 up to 30 - $8. While these signs are generally considered safe for use in various applications, there are situations where their use may not be appropriate or may be restricted. It is generated in nature by the interaction between cosmic rays and the atmosphere. BO (Image: Amazon) This is a robust 45mm watch by Swiss brand Luminox. (1934) following the bombardment of deuterium- (2 H) containing compounds with high-energy deuterium nuclei using one of the earliest particle accelerator built by Sir John Cockcroft and Ernest Walton Apr 19, 2023 · Night sights make your gun more effective when lights are low. The average natural concentration of tritium in environmental waters has been estimated to range from 3. 2 to 24 picocuries per liter of water. Inside the vial, the electrons emitted by the tritium gas excites the phosphor to give off the cold continuous light. Think of the color combinations! The TEC Isotope Triode Fob has three primary bores to hold the tritium vials, and the six grooves on the side of the housing provide maximum tritium visibility 5 days ago · This tritium ring simply looks amazing! It is made of titanium alloy that can hold three 1. 5mm x 6mm Capsule - Made in Switzerland - These are the original Swiss made Trigalight Tritium capsules as used in many high-end Swiss made watches. 3 years. Doesn't matter if the vial is intact. FREE delivery Tue, Jun 18. Share This. Add to Cart. Despite its small size, it doesn’t compromise functionality or performance. 62 × 108Bq/μg. 24 inches x 3. 6 Jan 11, 2023 · Tritium, which was used in small amounts to boost the explosive power of the atomic bomb detonated on May 1951 over the Enetawak Atoll, was not entirely without risk, however. March 13, 2020. It was first observed by Oliphant et al. Sep 11, 2023 · Ball Engineer III Legend. For people who often find themselves in low light or no light situations, this is a way forward. When Tritium gas is encapsulated in Borosilicate glass vials with phosphorescent pigments, a self-luminous (glow in the dark) device is created. Aug 1, 2023 · 1. Whereas other companies use tritium primarily to reinforce legibility, Ball makes it a design centerpiece and Feb 20, 2024 · Tritium is a low-energy beta emitter and is only harmful if ingested in large amounts, so normal usage of Trijicon sights is safe. INTRODUCTION Tritium, a radioactive hydrogen isotope, decays into helium while emitting β radiation. Diameter: 40mm. Description Trigalight Tritium Vial 3. Tritium is produced naturally in the upper atmosphere and as a man-made byproduct from nuclear activities including weapons explosions or energy production. Tritium keychains can be seen glowing at over 30 feet. Tax, plus shipping. It can be dangerous if it gets into the bloodstream or swallowed. May 25, 2023 · How Long Does Tritium Last? Chemists have estimated that tritium’s half-life is approximately 12 years, meaning it will become about half as bright once it hits that 12-year mark. 0mm (Green) Trigalight. This timepiece retails at $430 USD, which makes it significantly cheaper and more affordable than the aforementioned tritium watches from Marathon. 472"] Overall Length: 36. As an avid flashlight collector, I have some with tritium vials in them (I am sure you do to) and I also have some pendants, key chains and even a ring with tritium. #10 · Mar 21, 2018. May 26, 2023 · I show you how to install a tritium tube in a flashlight with and without cutouts. ch. Delivery Time 1 - 3 Business days. Showing 1 - 4 of 4 products. Display: 24 per page. 1x1. Swiss manufactured isotope tritium vials for use in Watches, Flashlights, Keychains and DIY Projects. 7 keV, with a maximum energy of 18. If I have to remove a tritium lamp, I remove the sight from the slide, then using a butane micro torch, I heat the blade around the vial until I get a wisp of smoke. Somewhere in Europe I believe. vials internally coated with a ZnS luminescent phosphor that are designed to contain gaseous tritium in our proposed power source. Tritium (abbreviated as 3 H) is a hydrogen atom that has two neutrons in the nucleus and one proton. Tritium Vial 1. Light up your key ring with tritium. 5mm [0. The top of the vial is fitted with a diffusion orrifice The steady flow into the vial is maintained by the concentration The glow you see isn’t the tritium itself, but a combination of tritium gas and a phosphor lined vial, a phenomenon called radioluminescence. When such an e. Aug 11, 2017 · The tritium compounds, tritiated water as a volatile compound and 3H-methionine as a non-volatile compound, were measured with two types of plastic scintillators (PSs) using a low background liquid scintillation counter (LSC). These tritium vials will produce more light and will be highly visible in the dark. It will be freely exchanged between a gaseous hydrogen gas equivalent T2 and the hydrogen Nov 29, 2019 · Luminox Men’s 3051 EVO Navy SEAL Colormark Tritium Watch. This chemical interaction between tritium and phosphor means you don’t need a battery or electricity of any kind. S. 5mm x 10mm tritium vials of your choice are included). It’s just The tritium vial inside the keychains is made of glass and like glass, it can break, crack or shatter if subjected to shock, hard knocks, high vibration or misuse. Tritium-based paints on dials, which were used by Sep 14, 2021 · The tritium gas tubes offer the same green and orange glow that we can see on the Marathon General Purpose. hinet. Functional areas: Safe Storage, Radiation Protection. 3. The only danger associated with Tritium gas is W E L C O M E We carry tritium vials and also produce acrylic, stainless steel / titanium markers, few titanium items and accessories. So exposure is more likely from swallowing contaminated water. Facebook . Meaning that while pure tritium is indeed a gas, it can be put into molecules to form solids or liquids. Used on surfaces like dials, tritium had a tendency to diffuse, seeping through the case and into the skin of a wearer. Feb 23, 2024 · The Triode can hold several combinations of tritium vials, as each bore can hold either (1) 3mm x 22. It has a physical half-life of 12. Introduction1. This radioactive tritium gas, glows completely on its own in a very safe manner, without needing to be 'charged' with light as required by most phosphorescent glow in the dark products. Apr 28, 2021 · In this review article, the contents of the description, originally provided in Japanese, which gives clear and detailed explanation about potential health effects triggered by tritium based on reliable scientific evidence in an understandable way for the public, were summarized. #1 · Jul 21, 2011. Tritium illumination is a completely safe and reliable form of illumination – the electron emitted by Tritium is so low in energy that it is unable to penetrate the human skin. It gradually breaks down and decays into helium. Feb 7, 2006 · They are perfectly safe, the Beta emissions are so weak they can't even penatrate a piece of paper let alone your skin or the glass vial. Hello dear members of the forum. Feb 22, 2011 · Tritium is generated by the interaction of neutrons, emitted during the fission of uranium fuel, with heavy water. Jan 30, 2020 · In this video I break open some vials of tritium to see if it actually in creases the local radioactivity in the area around me. Until now, I felt very safe Nov 30, 2015 · To install these, we need to remove the rubber backing from the Accuracy 1st Level. Incidentally, the collision of the beta particles with the glass does produce a very tiny amount of x-rays, but not enough to harm anything. FREE delivery Wed, May 29. Simply use a pin to remove one edge, then pull off the piece. qo si fe ct ns rh kg uf hw bd