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2. Suicide bag - Wikipedia

   en.wikipedia.org/wiki/Suicide_bag

   In 2015 author and right-to-die advocate Derek Humphry reported that Worthington Industries, the world's largest manufacturer of disposable helium cylinders, had announced that their helium cylinders will guarantee only 80% helium, with up to 20% air, making them inappropriate for use with a suicide bag in Humphry's opinion. [23]

3. Worthington Enterprises - Wikipedia

   en.wikipedia.org/wiki/Worthington_Enterprises

   Worthington Enterprises, Inc. is a global diversified metals manufacturing company based in Columbus, Ohio.It is a steel processor and manufacturer of pressure vessels, such as propane, oxygen and helium tanks, hand torches, refrigerant and industrial cylinders, camping cylinders, exploration, recovery and production products for global energy markets; water system tanks for storage, treatment ...

4. Euthanasia device - Wikipedia

   en.wikipedia.org/wiki/Euthanasia_device

   Nitschke described his device as a modification of the exit bag with helium method described in The Peaceful Pill Handbook. Helium was replaced by a cylinder of compressed nitrogen and a regulator to supply the nitrogen into a plastic bag. One advantage of this method was the availability of larger amounts of nitrogen and flow rates last longer.

5. Cryogenic storage dewar - Wikipedia

   en.wikipedia.org/wiki/Cryogenic_storage_dewar

   A self-pressurising dewar (silver) being filled with liquid nitrogen from a larger storage tank (white). A cryogenic storage dewar (or simply dewar) is a specialised type of vacuum flask used for storing cryogens (such as liquid nitrogen or liquid helium), whose boiling points are much lower than room temperature.

6. Self-contained breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Self-contained_breathing...

   Elastomeric masks linked to backpack air tanks: self-contained breathing apparatus, worn by firefighters advancing with a firehose. There are two major application areas for SCBA: firefighting, and industrial use in confined spaces. [20] For SCBAs used in firefighting, manufacturers typically prioritize fire resistance and weight reduction over ...

7. Gas cylinder - Wikipedia

   en.wikipedia.org/wiki/Gas_cylinder

   The term cylinder in this context is sometimes confused with tank, the latter being an open-top or vented container that stores liquids under gravity, though the term scuba tank is commonly used to refer to a compressed gas cylinder used for breathing gas supply to an underwater breathing apparatus.