Home > Term: sigillo di fuoco
sigillo di fuoco
Una striscia attraverso un'area attraverso cui possono penetrare né fuoco né gas nocivi. Esso coinvolge non solo la tenuta di stopes ma anche livelli.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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ผู้สร้าง
- Margherita
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(V.I.P) 20707 points - 100% positive feedback
(Italy)
