ホーム > Term: Simbal breathing apparatus
Simbal breathing apparatus
An improved liquid oxygen breathing apparatus, weighing 33 lb (15 kg) and approved for use in British mines. Air is fed to the wearer at a temperature of 50 degrees F (10 degrees C) rising to 70 degrees F (21.1 degrees C) in just over 1/2 h and is still only 80 degrees F (26.7 degrees C) after 2-1/2 h.
- スピーチの一部 noun
- 産業/ドメイン 炭鉱
- カテゴリ 炭鉱全般; Mineral mining
- Government Agency: USBM
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作成者
- ed.young
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(V.I.P) 21084 ポイント - 100% positive feedback
(Milwaukee, United States)
