pliers

我需要一把钳子来拧紧这个松动的螺丝。

I need a pair of ___pliers to tighten this loose screw.

我用钳子把铁钉从木板上拔了出来。

I used the ___pliers to pull the nail out of the wooden board.

工人用钳子夹起沉重的钢管。

The worker lifted the heavy steel pipe with a pair of ___pliers.