________ provers are more technically involved than ________ provers.
A) Tank-type; small-volume B) Small-volume; unidirectional
C) Bidirectional; unidirectional D) Bidirectional; tank-type
Question 2
Why should pliers NOT be used to tighten bolts and nuts?
A) They will round off the corners. B) They will overtighten the nut.
C) It is too difficult to get the pliers to fit the nut. D) They will strip the threads of the bolt.