What does bore-hole mean?

bore-hole meaning in General Dictionary

a hole or passage produced by a drill; frequently created for exploratory functions

Sentence Examples with the word bore-hole

It consists of a small hydraulic press, which forces a set of expanding bits or wedges into a bore-hole previously bored by a long screw augur or drill, worked by hand, the action of the press being continued until a sufficient strain is obtained to bring down the coal.

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