The screwdriver's blade should be almost as _____ as the slot in the fastener so that twisting force applied to the screwdriver is transferred right out to the edges of the head, where it has the most effect.
A) Wide
B) Thick
C) Long
D) Both A and B

Question

Quizplus · Accepted Answer

The blade of the screwdriver should be both wide and thick enough to fit snugly into the slot of the fastener, ensuring maximum transfer of twisting force to the edges of the head.

The Screwdriver's Blade Should Be Almost as _____ as the Slot