Question

which power tool works well for driving (or loosening) a large number of fasteners?
o impact driver
o oscillating multi - tool
o rotary hammer
o hammer drill

Explanation:

An impact driver is designed to efficiently drive or loosen a large number of fasteners by delivering high - torque impacts. Oscillating multi - tools are for cutting, sanding, etc. Rotary hammers are for heavy - duty drilling in concrete. Hammer drills are mainly for drilling in hard materials, not optimal for large numbers of fasteners.

Answer:

A. Impact driver