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  2. Gas cylinder - Wikipedia

    en.wikipedia.org/wiki/Gas_cylinder

    US DOT CFR Title 49, part 178, Subpart C — Specification for Cylinders [31] US DOT Aluminum Tank Alloy 6351-T6 amendment for SCUBA, SCBA, Oxygen Service — Visual Eddy inspection [ 32 ] AS 2896-2011:Medical gas systems—Installation and testing of non-flammable medical gas pipeline systems pipeline systems (Australian Standards).

  3. Environmental impacts of animal agriculture - Wikipedia

    en.wikipedia.org/wiki/Environmental_impacts_of...

    A 2022 report from World Animal Protection and the Center for Biological Diversity found that, based on 2018 data, some 235 million pounds (or 117,500 tons) of pesticides are used for animal feed purposes annually in the United States alone, in particular glyphosate and atrazine.