Assertion: wale's bit | /r/HasProperty | dropped onto the bottom of the hole
Facets:
Source sentences:
text: Specifically designed to raise and lower a bit into the bore hole, the spudding of the drill causes the bit to be raised and dropped onto the bottom of the hole, and the design of the cable causes the bit to twist at approximately ​1⁄ 4 revolution per drop, thereby creating a drilling action.