Fun Questions to Ask Your Boyfriend. When your relationship is still fresh, it's nice to get to know the silly basics of what makes your man tick.
A hacksaw (coarse blade) could be used on plastic, but not wood. A carpenters' saw would be used on wood. Power saws are always the most efficient, but of course it depends on what type of cuts you are doing.
A saw blade with cutting edges (teeth) made from carbide. A circular saw blade is a metal disc with jagged teeth on the edge. The disk fits into a machine which causes it to spin. Used to cut wood and other materials.