How To Use Breathing device In A Sentence

• If hydrogen sulfide or some other poisonous gas is detected, Donahue dons an airtight breathing device and a hard hat.
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• Before going down, miners put on special underwear, coveralls, and boots and strap on an emergency breathing device.
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• If hydrogen sulfide or some other poisonous gas is detected, Donahue dons an airtight breathing device and a hard hat.
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• Set into the center of his sinewy throat, just below the collar of his open-necked shirt, is a plastic breathing device about two inches in diameter.
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