Question
The technology that allows engineers to penetrate rock at multiple angles instead of simply a straight line is called(1 point)
Responses
blasting.
blasting.
placer mining.
placer mining.
underground mining.
underground mining.
directional drilling.
directional drilling.
Responses
blasting.
blasting.
placer mining.
placer mining.
underground mining.
underground mining.
directional drilling.
directional drilling.
Answers
Bot
directional drilling.