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.
Cold saw(ing) machines are circular saws that are used in many metal cutting operations. The saw blades used are quite large in diameter and operate at low rotational speeds, and linear feeds. There are three common types of blades used in circular saws; solid-tooth, segmental tooth, and the carbide inserted-tooth.