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gas mask | protective device | Britannica

gas mask, breathing device designed to protect the wearer against harmful substances in the air.The typical gas mask consists of a tight-fitting facepiece that contains filters, an exhalation valve, and transparent eyepieces. It is held to the face by straps and can be worn in association with a protective hood. The filter elements in the cheeks of the mask remove contaminants …

gas mask - Wiktionary

gas mask ( plural gas masks ) A covering for the face with a filter to protect the user from poisonous gas.

Gas mask Definition & Meaning | Dictionary.com

noun a masklike device containing or attached to a component that filters the air inhaled by the wearer through charcoal and chemicals, for protecting the face and lungs against noxious gases and fumes, as in warfare or in certain industrial processes. QUIZ QUIZ YOURSELF ON AFFECT VS. EFFECT!

Gas Mask - Official Pathologic Wiki

Gas Mask is a clothing item found in Pathologic 2 that can be worn in the Head equipment slot. Gas Masks can be bought from Tailors or looted from dead soldiers after the Army arrives in Town on Day 9. Gas Masks are the highest quality item that can be equipped into the head slot. At full durability Gas Mask provides: 17% fist resistance 23% blade resistance 25% bullet …

Model 4A1 (Israel) | Gas Mask and Respirator Wiki | Fandom

The Israeli 4A1 is a civilian mask, made shortly after the Model 4. The 4A1 built on the Model 4 (Model 4 was a copy of the German Dräger Simplex) by replacing the main exhale valve with a grid along with adding a voice diaphragm on citron models, and adding a drinking tube. The mask is made out of black rubber with easily adjustable straps that come in both rubber and the …

Gas Mask: a cultural icon | Military History Matters

The first gas masks were simple filters of damp cotton (moistened in extremis with human urine), and were soon superseded by cloth bags soaked in chemicals. By the end of that conflict, the pattern for modern gas masks had …

Gas Mask | The Dark Pictures Wiki | Fandom

We've got some gas masks here!Jason Gas Mask is the seventh secret of House of Ashes. It can be found by Jason at Target LZ. This secret appears in The Raid. A large basket of gas masks. In a shepherd's home. The shepherds in the farm above the temple wore gas masks to avoid getting infected by the creatures.

100 Years of Respiratory Protection History | NPPTL ...

"The USBM had already developed standards for and approved oxygen breathing apparatus (1919), gas mask respirators (1919), and hose mask respirators (1927). By 1937, the Bureau expanded its schedule for testing hose masks to include a variety of supplied-air respirators including Type CE abrasive blasting respirator" (Spelce, et al., 2019).

PMK gas mask | Military Wiki | Fandom

The PMK gas mask represents a family of gas masks used by the Soviet armed forces, and later by the armed forces of the Russian Federation. It can be distinguished from its civilian counterpart, the GP-7, by its rounded triangular lenses, versus the GP-7's circular lenses. The original PMK mounted the filter on only the left side of the mask. However, the filter could be …

Mustard Gas in WWI: Effects and History | Study.com

Even with gas masks, soldiers hit with mustard gas were defenseless. Of course mustard gas was a gas, so it tended to stick around for a few days when it was used. That made it …

L-702 Gas Mask | World War II Wiki | Fandom

History. The L-702 was first produced in 1938 in order to replace the SBA respirator, which had also been produced by the Société Belge de l'Azote. With the second world war looming in the near future, civilian demand for gas masks had significantly increased. However the high price for a SBA respirator (an industrial gas mask, not a civil ...

The WW1 Gas Mask in the trench warfare infrerno ...

First WW1 gas masks. In the fall of 1915, German troops were equipped with a kind of modern gas mask. The Gummimaske was the first full face mask made of rubber fabric and featuring an interchangeable chemical air purifying system: the cartridge filter. These first cartridges were composed of vegetable coal, hyposulfite and soda ash.

What is the definition of gas mask? - Answers

A gas mask is a mask worn over the face to protect the wearer from inhaling airborne pollutants and toxic materials. The mask forms a sealed cover over the nose and mouth, but may also cover the ...

Gas mask Definition & Meaning | Dictionary.com

Gas mask definition, a masklike device containing or attached to a component that filters the air inhaled by the wearer through charcoal and chemicals, for protecting the face and lungs against noxious gases and fumes, as in warfare or in certain industrial processes. See more.

The History Behind the Invention of Gas Masks

In 1854, Scottish chemist John Stenhouse invented a simple mask that used charcoal to filter noxious gasses. In 1860, Frenchmen, Benoit Rouquayrol, and Auguste Denayrouze invented the Résevoir-Régulateur, which was intended for use in rescuing miners in flooded mines. The Résevoir-Régulateur could be used underwater.

Masking Definition & Meaning - Merriam-Webster

The meaning of MASK is a cover or partial cover for the face used for disguise. How to use mask in a sentence. Synonym Discussion of Mask.

In WWI, U.S. Troops Made Masks Soaked In Their Own Urine ...

In WWI, U.S. Troops Made Masks Soaked In Their Own Urine And You Have To Know Why. U.S. soldiers model international World War I gas mask designs. They say necessity is the mother of invention ...

Gas mask Definition & Meaning - Merriam-Webster

The meaning of GAS MASK is a mask connected to a chemical air filter and used to protect the face and lungs from toxic gases; broadly : respirator.

What is a Gas Mask? - Definition from Safeopedia

A gas mask is also known as an air purifying respirator. It consists of a mask with chemical cartridge or canister for air purification. It is intended for air purification purposes and does not have an independent supply of oxygen. The gas mask is secured with straps around the head and a sealed fit is important to proper functioning.

The most famous gas mask in history | Scavenge System

The modern gas mask used in war has a history of more than 100 years. Modern chemical warfare began on April 22, 1915, when German soldiers first used chlorine gas to attack the French in Ypres.Long before 1915, miners, firemen, and underwater divers all had a need for helmets that could provide breathable air, and the early prototypes for gas ...

What Does P100 Mean? - PK Safety Supply

If you are looking for a reliable respirator, the 8233 n100 mask is a perfect choice for those who want the high-rated by NIOSH filter efficiency in a respirator. It is approved for lead abatement, metal fumes produced from welding, certain radioactive particulate material, and non-oil containing mists.

Gas Mask: a cultural icon | Military History Matters

The first gas masks were simple filters of damp cotton (moistened in extremis with human urine), and were soon superseded by cloth bags soaked in chemicals. By the end of that conflict, the pattern for modern gas masks had been established, with a face mask, eye-pieces, a chemical filter, and a container.

An Illustrated History Of Gas Masks - Gizmodo

The gas mask has a history that dates back thousands of years, though it wasn't until World War I that it became nightmare fodder for Doctor Who and countless other stories. Here is a sometimes ...

AssignedProtectionFactors

History 3 AssignedProtectionFactors(APFs) andMaximumUseConcentrations (MUCs) 3 HowtoUseAPFsandMUCs 4 MajorTypesofRespirators 5 AttachmentA Glossary 7 AttachmentB RegulatoryTextofthe RespiratoryProtectionStandard 10 Permissiblepractice 10 Definitions 10 Respiratoryprotectionprogram 12 Selectionofrespirators 13 TableI: AssignedProtectionFactors 14

Urban Dictionary: Iraqi Gas Mask

The Iraqi Gas Mask is a slight variation of the Arabian Eye Goggles. When applying the Iraqi Gas Mask, the initiator places his sack on the recipient's eyes, and then places the ass crack/ taint on the recipient's nose. The anus is then firmly placed on the recipient's mouth, forming a nice, airtight seal. Once the seal is formed, a heft blast of ass gas should be released into the …

The Gas Chambers - The Holocaust History - A People's and ...

ISBN 1-55778-144-3. "The gassing was carried out in the detention cells of Block 11. Protected by a gas mask, I watched the killing myself. In the crowded cells, death came instantaneously the moment the Zyklon B was thrown in. A short, almost smothered cry, and it was all over…. I must even admit that this gassing set my mind at rest, for ...

GAS MASK English Definition and Meaning | Lexico.com

noun. A protective mask used to cover a person's face as a defense against poisonous gas. 'Take care of your gas mask and your gas mask will take care of you.'. More example sentences. 'The main defence against them is protective clothing - gas masks and special suits made of rubber or treated synthetic cloth.'.

gas-mask noun - Definition, pictures, pronunciation and ...

Definition of gas-mask noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Gas mask core - BallReviews.com

Re: Gas mask core « Reply #10 on: October 05, 2007, 09:26:18 AM » You can have 4 balls with the same layout, at different surfaces and have 4 different reaction shapes.

History - Plague Masks

Additional brief history of the Plague Mask: The Bubonic Plague, also known as the Black Death, killed at least 75 million people on three continents. Described as the most lethal epidemic in history, the plague began in China in the 1330's and made its …

mask | Definition, History, Uses, & Facts | Britannica

mask, a form of disguise or concealment usually worn over or in front of the face to hide the identity of a person and by its own features to establish another being. This essential characteristic of hiding and revealing personalities or moods is common to all masks. As cultural objects they have been used throughout the world in all periods since the Stone Age and have …

Gas mask | definition of gas mask by Medical dictionary

gas mask: ( gas mask ) A device worn over the nose and mouth as protection against airborne toxic gases.