Drum sander and Power tool

Drum sander noun - A power tool used for sanding wood; an endless loop of sandpaper is moved at high speed by an electric motor.

Power tool and drum sander are semantically related. In some cases you can use "Power tool" instead a noun phrase "Drum sander".

Power tool noun - A tool driven by a motor.

Drum sander and power tool are semantically related. Sometimes you can replace phrase "Drum sander" with "Power tool", this phrases are similar.