IPA: //ˈsændˌblæstər//
KK: /ˈsændˌblæstər/
A tool or machine that uses high-pressure air to spray sand or other abrasive materials onto a surface, often for cleaning or shaping it. It can also refer to a person who operates this tool.
The sandblaster quickly removed the old paint from the metal surface.
Sandblaster → It is formed from "sand" (from Old English "sand", meaning granular material) and "blaster" (from "blast", meaning to blow or force out). The word "sandblaster" refers to a device that forces sand at high speed to clean or shape surfaces.
Think of a machine that 'blasts' ('blaster') 'sand' at high speed to clean or shape surfaces.
No commonly confused words.