quiz\nwhat do cut - off tools use to cut though metal?\na. thin discs\nb. weld grinding wheel\nc. abrasive…

Brief Explanations:

Cut - off tools typically use thin discs to cut through metal. Weld grinding wheels are for grinding welds, abrasive bits are for general abrasion tasks in various materials, and drill bits are for making holes, not for cutting through metal in the way cut - off tools do.

Answer:

A. Thin discs