R404a is a hydrofluorocarbon (HFC) refrigerant that has been designed to provide superior cooling performance with low environmental impact. Compute the moment of inertia of a cylinder shaped object based around the central axis, Compute the moment of inertia of a cylinder shaped object around the end of the cylinder, Compute the moment of inertia of a cylinder shaped object perpendicular to the central axis. Before HFCs a lot of supermarkets were using both R-12 and R-502 for their systems. Don't have a part number? Cylinder plus gas inside is about 26-27 lbs. For example, if a tank weighing 27 pounds has a TW of 17 pounds, there's about 10 pounds of gas left - a little more than half a tank. We have 10 years of experience in domestic market and five years of experience in overseas market. Brand may vary. It went as far as going to the Supreme Court but the Supreme Court refused to hear the case. 2. Larger Photo Email A Friend. 1,420. Available to Lower 48 only. Product will be shipped as HazMat Fedex Ground. Hangzhou E-COOL Refrigeration Equipment Co., Ltd. (E-COOL Manufacturing Co., Limited) is specialized in the production of R1234yf r227ea r236fa, R134A, R141B, R412B, R22, R290A, R401A, R402B, R404A, R406A, R407C, R410A, R415B, R417C, R502, R507, R600A, etc. The weight of an empty gas cylinder is 164/5kg and it contains 142/3kg Finally received a response from the Chinese manufacturer of Bluestar R-134A. }b|+eQ2dyc'e'PDQh EF&>-s9PBVUaC\k(D/S Dx-wc;)iK5D^zZb|cR3116d`!-8nC R-404A is heavier then air and will displace oxygen in a room if a large enough quantity is leaked. It is the TW plus the valve weight. At some points in the past few years it rose over seven-hundred percent in one season. Take the filled weight an subtract 20% and that will give you your filled weight at 80%. [2] 4 endstream endobj 59 0 obj<> endobj 60 0 obj<> endobj 61 0 obj<> endobj 62 0 obj<>/ColorSpace<>/Font<>/ProcSet[/PDF/Text/ImageC]/Properties<>/ExtGState<>>> endobj 63 0 obj[/Separation/PANTONE#20485#20CV/DeviceCMYK 85 0 R] endobj 64 0 obj<> endobj 65 0 obj<>stream How much does an empty 30# container weigh? - Automotive Air 6.5kg is the weight of the full cylinder, including the gas. The Ozone layer protects us from radiation and a thinning of said layer can result in a whole host of problems including various cancers. Specific cylinders must be used to be compliant with the Arkema reclaim program. For the best experience on our site, be sure to turn on Javascript in your browser. Empty vs Full SodaStream Bottle 130L How Much Does It Weigh? Shop products from small business brands sold in Amazon's store. R-404A Chemical Name:R-143A (52%), R-125 (44%), R-134a (4%) Chemical Formula:Blend Refrigerant Class:HFC Refrigeration Oils:Polyolester (POE) Net Weight:24 lbs. 0000001906 00000 n When R-502s turn for phase down came in 1995 a new alternative refrigerant needed to be chosen. It was comprised of of R-22 (48.8%) and R-115 (51.2%). Originally, the Environmental Protection Agency issued a rule in 2015. Fancy Legit scale get here! %jd,A\&b1r@ UNICOOL R-404A 45 KG REFRIGERANT - Wilhelmsen Gas volume can also be calculated in litres with some basic mathematics. If done in a gaseous state you risk damaging the entire system. 4.6 4.6 out of 5 stars (1,099) $154.99 $ 154. Three Ways to Tell How Much Gas Is Left in Your Propane Barbecue Cylinder Refrigerant R404A 24lbs. Follow future activiy from Unitor Ship Service - Miami / Port. No you cannot. The European Union has import and production limits set on R-404A and have plans to completely phase it out over the next few years. * The second value is for DOT 4BA or 4BW cylinders and values rounded up to the nearest 5 PSI increment. R404a has a high cooling capacity and is capable of operating at a wide range of temperatures, making it an ideal choice for commercial refrigeration systems that need to maintain consistent temperatures in various environments. See also our plants, R&D centers & offices. Sorry, JavaScript must be enabled.Change your browser options, then try again. This included insulation, pesticides, refrigerants, and many other applications. (E-COOL Manufacturing Co,. If you're looking for R404a Refrigerant Cylinders, Gas UK has you covered. Each tank is stamped with a tare weight, just the weight of the tank empty. 0000112108 00000 n How to Measure the Remaining Propane: 6 Steps (with Pictures) - wikiHow The perfect replacement may be discovered one month from now. [N+Rx=ar>^"AtIH1J KWOV#2SBpKM>QQSR#h9pOtn3ES]5p^hf{{4T)}[/U[1MO9l!ETh1gM!} #. bteksdFgHIP7w7(I8vv 24LB 10.9kg net weight goss weight R404a Refrigerante gas Cylinder All Over Including: USA, Mexico, EU, China, and others. But now, just like R-502, its time has come. An empty graduated cylinder weighs 55.26 g. Weight of empty cylinder = 55.26 g = 0.05526 kg. UNICOOL R-404A 45 KG REFRIGERANT Product group: 594 Product number: 905606 A synthetic HFC refrigerant which is harmless to the ozone layer. 0000001036 00000 n To understand the history of R-404 we first have to travel back to the 1960s. R404A gas cylinder with 10 kg (1/4 valve) - Refrigerant Boys Q21: The weight of a cylinder filled with gas is 30kg. If the weight of Branches are closing early today, November 25th. 4. Scientists noticed this thinning in the late 1970s and early 1980s. While other companies, such as Chemours and Honeywell, appealed the ruling they eventually got nowhere and the judges ruling stood. empty container weight - 9 lbs 2 oz (tare weight) 0000016825 00000 n Browse our extensive range of marine products and chemicals designed to work within the toughest marine conditions. oBQ$/UiuU=v$l#n(AQ' 6pF Sorry I didn't weight it full. 0000002737 00000 n We have exported to overseas markets, such as Asia, Europe, North America, South America, Africa and Oceania. How much does an empty 30-pound freon tank weigh? - Answers When the refrigerant was vented or leaked it would move into the atmosphere where the chlorine would damage the Ozone Layer. They have no tare weight stamp on them. No folks, this time we are going to go about it smarter. Weight. They say they contain 25 lbs of 410a but it's usually closer to 23-24. The weight variation is in the empty 9kg gas bottle weight, as 9kg refers to the weight of the contents only. Weight of Refrigerant R-404A, liquid by temperature - Aqua-Calc 502 was just another one of the many CFC and HCFC refrigerants that have been phased out over the past twenty to thirty years. Built by Volusion. 0000042158 00000 n 0000043906 00000 n How much is the weight of an empty cylinder? - Quora %%EOF Depending on the size of the tank it's different, obviously. Return empty cylinders to your Honeywell distributor. I have two empty ones 539 and 538 gm. How Much is R-404A Refrigerant Per Pound in 2019? Please note that Environmental Protection Agency law requires certain individuals to be licensed before purchasing some refrigerants. The only bright spot is whats known as the United States Climate Alliance. This alliance formed after Trump pulled the US out of the Paris Climate Accord. GWP = Global Warming Potential (IPCC Fourth Assessment Report - AR4), https://www.wilhelmsen.com/product-catalogue/products/gases-refrigerants-and-cylinders/refrigerants/r-404a/unicool-r-404a-45-kg-refrigerant-for-non_eu-export-only/, Air Tools accessories, consumables & spares, Accessories, Consumables & Spares for Electric Tools, Application, dilution and mixing equipment, Compressed air screw and piston compressor, Tooth rack and pinion automatic lubrication, Tooth rack and pinion manual lubrication, Go to Electric motor Alternator/ generator, Electric motor bearing Alternator bearing (grease lubricated), Curved tooth gear coupling grease lubrication, Electric motor bearing, Generator bearing, Stern tube bearing and propeller shaft seal, Azipod C and D gear teeth on slewing bearing, Azipod C and D propeller shaft bearing and seal, Azipod X thrust bearing (hybrid bearing), Azipod VI seal and support bearing (ice operation), Azipod V and X sealing grease for turning shaft seal, Azipod V and X slewing bearing with gear teeth, Open gear Operational lubricant for manual lubrication, Open gear Operational lubricant for central lubrication systems, Open gear at slewing bearing and drive pinion tooth rack & pinion, All refillable cylinders are inspected prior to refilling, Residue refrigerant recovered to prevent environmental damage, Content is 100% genuine virgin refrigerant from approved producer. <<6910765664BE5F4AB35F3F53B3DEB07D>]>> EW is not always there. Contact Supplier Request a quote. If it was made of styrofoam, then it would weigh 22 x 6.25 = 138 lbs, since the density of styrofoam is about 6 . Out of all of the HFCs R-404A is one of the absolute highest when it comes to GWP. Note that if 404A is pressurized after being mixed with air the chance of flammability increases. At this time its impossible to list every 404A alternative or option out there. In 1995 and 1996 R-502 was phased out for all new machines. Subscribe to our newsletter to learn about special offers, R407C Refrigerant, 25lb Cylinder, Disposable, R134a Refrigerant, 30lb Cylinder, Disposable, AUTO/ACME. Instead contact us directly at 407-896-9563 or eric@refrigerantdepot.com, _____________________________________________________________________________________________. Density of a solid object 1. It was then that the CFC refrigerant R-502 was invented. JavaScript seems to be disabled in your browser. Limited), specializing in the productionR134A R141B R412B R290 R401A R402BR404A R406A R407C R408A R409A R410A R415B R417C R502 R507 R600A R600 R227EA R125 ECT ,besides we have welding tools for refrigeration.mapp gas & propane, mapp proare our superior products in China accumulated a great experience in business and has developed into one of the most prominent and the largest suppliers and producers of Compressor, Motor, Component, and Refrigerant and A/C spare parts systems in mainland, China. ^^.DG*pNZF7d:]89s=e z?A3gA-&;@Lb9 W There are many domestic (Worthington Cylinders, Manchester Tank, etc) and foreign manufacturers and I am sure the empty weight of each will vary. Need help? Cylinders of Genetron 404A should be kept out of direct sunlight, especially in warm weather. Please make sure yousend this item to your business or a place somebody will be available to sign. xref New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). SEI EMPTY REFRIGERANT CYLINDER GAS BOTTLE 10KG 12.5KG R410a R134a R404a R407 + MANY OTHERS -. These refrigerants range from natural refrigerants, to HFOs, and the occasional HFC. R22 Replacement 407c - 25lb Tank - Best Price - Refrigerant Guys Listed here are all of our products - manufactured to the highest standards, they offer consistent and dependable documented performance time after time. B-type Empty Oxygen Cylinder 3,400/ Piece. Weight of Pipe Hollow Cylinder Equation and Calculator. If enough states get on board with these HFC phase down changes then air conditioning and refrigerator manufacturers will eventually throw in the towel on HFCs and began transitioning over to lesser GWP refrigerants. R404a Refrigerant Cylinder, 50KG Gas Bottle - Online at Gas UK Office: 407-896-9563 The Weight of a Cylinder calculator computes the weight (mass) of a cylinder based on the radius of the base of the cylinder (r), the height of the cylinder (h), and the density of the material (mD). The cardboard box is 1.2 pounds, the cylinder is 5.6 pounds, and the refrigerant is 30 pounds. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Refrigerant Depot serves both residential and commercial air conditioning customers in the Southeast United States. Storage incompatibility - General: FORANE 404A. Weight (Empty) 2 3/4 7048H02X 14 ft. 5 in. rf DT )Pb31Ol%f4k~vj. Sale! Refrigerant R404A 24lb Cylinder. D. For the same amount of subcooling, R-404A and R-452A produce a greater refrigerating effect than R-502. UN/UNF (SAE 45) Wye. So according to the bottle disc the empty cylinder weighs 17lbs although mine, when full must weigh 17 lbs + 6 kg. We've updated our forums!Click here to visit the new forum, Year: N/AMake: N/AModel: N/AEngine Size: N/ARefrigerant Type: R-134AAmbient Temp: N/APressure Low: N/APressure High: N/A, Could anybody tell me the gross weight of a 30 pound cylinder of Bluestar R-134A? So according to the Calor website a full 6kg cylinder can weigh anywhere between 7.3+6kg and 10.9+6kg. [}'^>sm-EvWVXe|uv)nwbl>wN/@pY.w^\c,g4)[)`SLk%lqf:B?.M;eoY="vo^S"&ku.k^ny k+'I_ BLLxdqxKq_3'%IFVwnO2:d\!BC[5 /Q%y5#z#("Us"F(K2Pe~-*!Oh'FDkZSOQ_M#FIjz41M ]=}K[Ww1nP'iuYtWt/g%$'X[;.mq~Gp}oOT%~4*$`R ^%NH9(6>0|fc8l8a8g|XdtW3ww[~m#s#2FT&Io2&^31'NMin)gJ9/kZ4rCTETH[Ctuzy2pARvR@O}m"|G. So 3.8kg is the weight of a completely empty cylinder. Store separate from: Answered: To determine angularity number of | bartleby If your cylinder was made of concrete, which is typically about 144 lbs per cubic foot, then it would weigh 22 x 144 = 3168 lbs. Elitech LMC-300 Electronic Refrigerant Charging/Recovery Scale HVAC A/C . What is generally the actual weight of LPG cylinder (including - Quora 250 gallon propane cylinder is 7 feet and 8 inches long (92 inches) and has a diameter of 30 inches (width and height are 2 feet and 6 inches). (E-COOL Manufacturing Co,. Document Creation Date: 3/4/2023 9:57:16 PM UTC. If you havent run into some of these already itll only be a matter of time. R-22 REFRIGERANT 30 LBS R22 30 lb. Tank Shape: Rectangular Bow Front Quarter Circle Half Circle Full Circle Hexagonal Do not store cylinder in direct sun or expose it to heat above 120 F (48 C.). Recovery Tank | Refrigerant Recovery Systems | Zoro.com 0000001710 00000 n Refrigerant Recovery Cylinder, 50 lb, Weight Empty (Lb.) The weight or mass of a right circular cylinder formula computes the mass of a right cylinder as a function of the mean density (mD) of the composition and the volume calculated using the radius (r) of the base and the height (h). j\#H.qCDL}9sqGW}>O]V q the weight of empty cylinder before filling. How much does an. A synthetic HFC refrigerant which is harmless to the ozone layer. For thirty-five years R-502 reigned supreme, but like all good things it had to come to an end. In our first section well cover all of the facts, then the pros/cons, points of note, and the history of R-404A. Over the next thirty years R-502 was the dominant refrigerant for a variety of applications including super market refrigerators/freezers, industrial refrigeration, vending machines, and in refrigerated transport. Record the volume of water. They did this by deeming certain refrigerants would no longer be acceptable in specific applications. weight. Forane cylinder reclaim information - Arkema Knowing the pressure and the temperatures associated to the machine you are working on is essential to being able to diagnose any possible issues. That means that it is non-toxic and non-flammable. R404A is a popular refrigerant forMedium Temp and Low Temp Refrigeration applications. 30 lb recovery tank - Fill with no more than 17lbs of R410a or 21 lbs of R22 - total tank weight will be about 35lbs for R410a and 39lbs for R22 50 lb recovery tank - Fill with no more than 32lbs of R410a or 39 lbs of R22 - total tank weight will be about 60lbs for R410a and 67lbs for R22 Now, for the details: Now, let's do some simple math to . (This is me being optimistic.) 0000016013 00000 n Unitor Ship Service - Miami / Port | See Full Importer History Let's say that the current weight of the tank is 24.2 lbs. Certification is Required to Purchase Refrigerant Effective 1/1/2018. Currently offering Weitron brand R-404a. Sales INSTRUCTIONS: Choose units and enter the following: Weight of Cylinder (Wt): The weight / mass is returned in kilograms, with the volume of the cylinder in cubic meters. Get Quote. 529,00 . Storage stability - Remarks: Do not apply direct flame to cylinder. A full botte is 866g - do not hve an empty to provide the 'dry' weight. Once invented R-502s usage exploded across low and medium temperature applications. 0000044565 00000 n PDF Guidelines for Utilization of R-404A & R-452A - Tecumseh Products How much does a CO2 canister weigh? Empty vs Full SodaStream - YouTube (1) All means R-12, R-22, R-134a, R-404A, R-407A, R-407C, R-408A, R-409A, R-410A, R-427A & R-507A. 0000045273 00000 n Today, as I write this article in 2019, R-404A is being phased down and in some cases completely out across the world. endstream endobj 66 0 obj<> endobj 67 0 obj<>stream Small Business. R-404A operated at comparable physical and thermodynamic properties that R-502 did which made transitioning to new systems or retrofitting older systems a much easier task. PDF Genetron 404A Technical Datasheet - Honeywell 0000000016 00000 n That number alone is why the world is pushing to get rid of R-404A as fast we can. Dear Sir, Difference in weight of empty cylinder Marked on cylinder and actual weight of cylinder causes Loss of gas of 1.3kg (actual weight 16.3kg &marked weight 15kg) [protected][protected][protected]----- Cunsumer No.37546502 A.K.Vishnoi M/s Shiva Bharat Gas, Lal Kua, Ghaziabad Empty Cylinder weighs 16.3kg while marked on cylinder as15kg.. [protected][protected][protected]----- 1--At the . Thanks. 0000001490 00000 n CLICK HERE FOR WIN NEW IPHONE 14 - PROMOCODE: N4TAAA5 The video is a little long but does show a full walkthrough of a derelict freighter If you are looking for S Class freighters in No Man's Sky then . Chick on Tue June 13, 2006 5:56 AM. Linan E-COOL Refrigeration Equipment Co,.Ltd. However, thesecan be automatically converted to compatible units via the pull-down menu. **PLEASE ADVISE** 3. This helps us keep compliant and prevents any and all future headaches for you or your company down the road. 0000018794 00000 n 2 Weigh the tank on a bathroom scale to find the total current weight. Ammonia for example is deemed one of the best refrigerants in the world but its extremely toxic and can be deadly in high amounts. 58 0 obj <> endobj When charging systems with R-404A the refrigerant must be in a liquid state. It has a low toxicity and flammability, which makes it safer for technicians to handle, and less risky for building occupants. N;ysgBnlnX;IV`s,*Q{spniTc[{r87yCmF2ZmS(ju8*^}$cZu]MQ*#(0*!/#k,b*DeWb3S?)%n@B_OUjSGVo@k) Q}{(|W~y/ih. R-404A Refrigerant Fact & Info Sheet - Refrigerant HQ Discussions | The Caravan Club It was in the summer of 2017 that a surprise ruling by a federal judge overturned all of the EPAs SNAP Rule 20. From this, we can infer that the weight of beer in the keg is 75 pounds. REFRIGERANT CAPACITOR MANUFACTURING IMPO/ EXPO. To measure how many pounds of propane are left in your tank, simply weigh it on a scale and subtract the TW number. Tank Weight Calculator - Hamza's Reef There were some problems with impure Chinese R134a, don't know if you could tell by brand or whatever. Thank you. Tax Disclosures. R-404A (HP62) continues to lead the way as the global industry standard HFC refrigerant for new commercial refrigeration applications. 100% Virgin Refrigerant. There is no perfect refrigerant. Advertisement Advertisement eiasarar eiasarar Answer: 30-14.80 =15.2 Step-by-step explanation: Advertisement Advertisement When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. A simple subtraction of the empty keg's weight from the total weight when filled with beer, would give the weight of the beer it contains. An empty graduated cylinder weighs 55.26 g. When filled with 48.1 mL of so here we go! At this time the world turned towards HFC refrigerants. Please contact us for bulk orders. Copyright 2023 Gemaire Distributors LLC. Delivery Detail: -- Specifications Product Category: Blend refrigerant Product Name : R404A Keg Weight: A Guide To Understanding How Much a Beer Keg Weighs Weight of gas = (Total weight of cylinder) - (Weight of empty cylinder) 30 - 14kg 80g (30000 - 14080)g. 15920g. If your license is EPA 609 or for MVAC only then you cannot purchase R404a with that license. Please consult with a local contractor for retrofit options. Menu . 0000125333 00000 n When exactly it goes away is a different story though. Molecular Weight:97.6 Boiling Point:(1 atm, F): -51.8 Critical Pressure:(psia): 548.2 Critical Temperature:(F): 162.5 Critical Density:(lb./ft): 35.8 While the European Union has already begun taking steps of a complete phase out the United States is quite a bit behind. In some applications 404A is not the most efficient. Outfit: KAMPA Frinton 5 Outwell Nevada S Location: Glossop - Gateway to the Dark Peak. Camping Gaz 904 & 907 Cylinder - Weight - Volume - Bongo Fury Please consult a licensed tech. Refrigerant fluid R404 in 10 Kg refillable cylinder (certified T-PED / EN 13322-1) for high and low temperature refrigeration systems as refrigerated display cases / refrigerating rooms / refrigerated trucks (1/4" SAE valve) UN 3337. 0000042749 00000 n While this may not seem like a big deal for HFC refrigerants, this rating is becoming more and more important when it comes to looking for a more environmentally friendly replacement refrigerant. 21.64/47.7, Volume 1, 320.6 cu in, Service Rating 400 psi, For Use With CFC, HCFC and HFC Recovered or Virgin Refrigerants, High Gloss, Powder Coated Finish, Dual Port Connection Serves as a Liquid or Vapor Valve, DOT-4BA and ARI . For instance, you weigh an empty keg to be 25 pounds. (1066.8mm) 4 ft. 3 in. 0000003923 00000 n 0000112619 00000 n R404A is a popular refrigerant for Medium Temp and Low Temp Refrigeration applications. Also the total gross weight of cylinder and then measure the cylinder it will be the 15.6+14.2=29.8kg. =&V WY"2hbm 2`;gc*SwYm!#f BBk[Mkn}1YY?hOYYd2u BZY4G:\2Iz'Hbk#X<9;2t9 B`zi8t:Dm^ E,hmEzEbs`qE+. Product information Specification SDS Documents TAR weight of 410A cylinder - HVAC-Talk: Heating, Air & Refrigeration Discover more about the small businesses . R-404A is being phased down and in some cases completely phased out due to its high Global Warming Potential and its detrimental effect on the climate. From the Caravan Club's handbook: 2.7kg is the weight of the gas. 5 lbs, 6 ounces empty as a side note, I couldn't use the last 26oz of freon. These pressure checks give you the facts so that you can move onto the next step of your diagnosis. Cylindrical tank weight calculator | Math Theorems So. RECLAIM RECOVERY CYLINDER BOTTLE TANK FOR HYDROCARBON - eBay I believe I finally got this puppy trained!! The store will not work correctly in the case when cookies are disabled. Once the seriousness of the problem was revealed world leaders got together in Montreal and signed a treaty that most all of us know by now, The Montreal Protocol. It is a long term substitute for R502,mainly used in refrigerating systems of low & moderate temperature. Finally received a response from the Chinese manufacturer of Bluestar R-134A. The gas is used in a variety of maritime refrigeration applications such as low and medium temperature applications (Evaporating temperatures of -45 to +8 C). Sanowart R404a Refrigerant Disposable Tank for sale online | eBay Bharat Gas Difference in Weight of EmptyCylinder - Consumer Complaints We apologize for any inconvenience. Meaning can was less than half full. (R-12 was used for the refrigerators and R-502 was used for freezers.). Figure out math Math is a subject that can be difficult for some students to grasp. The Cylinder is marked around the rim with its empty weight (3.6 Kg) and weight of gas it holds (2.95 Kg). Do not drop or refill this cylinder. It is a non-ozone depleting refrigerant and has a lower global warming potential (GWP) compared to traditional refrigerants such as R-22, making it a more environmentally responsible choice. Weight of empty 6kg Calor Propane cylinder? - MotorhomeFun, The UK's All that being said, lets take a look at some of the possible R-404A replacements listed below. Their goal is to have a gathering of states that will enforce their own climate policy. #5. markws said: ToG. Regular Price: $450.00. Reusable. D-type (46.7 Litre) Empty Oxygen Cylinder 10,600/ Cylinder. R-404A is used across a variety of low and medium temperature applications including super market freezers/refrigerators, vending machines, ice machines, refrigerated transport, and industrial refrigerant systems. R-404A delivers exceptional capacity and efficiency as an R-502 and R-22 replacement in refrigeration applications and is approved for use by the leading compressor and equipment manufacturers worldwide. 404A is rated as an A1 from ASHRAE. At the time the world switched over to R-404A there was little other choice and most business owners and contractors consolidated their refrigerators and freezers over to one refrigerant to simplify things. One of the very first phase outs was R-12 for automotive applications. Glossier Balm Dotcom Separating, Where To Buy Dark Water Premium Baits, Lsu High School Indoor Classic 2022, Articles W
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