Home > Term: fire-heavy
fire-heavy
Eng. Words marked upon the scale of a mercurial barometer to indicate when considerable combustible gases may be expected to be given off in the mine, and to show that extra vigilance is required to keep the ventilation up to its full strength.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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ผู้สร้าง
- ed.young
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(Milwaukee, United States)