Home > Term: floor sill
floor sill
A large timber laid flat on the ground or in a level, shallow ditch to which are fastened the drill-platform boards or planking.
- Sõnaliik: noun
- Valdkond/domeen: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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Looja
- ed.young
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(Milwaukee, United States)
