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.
Most of the saws used by Contractors will have a 230mm or 300mm diameter blade, with a typical speed of 3,000-7,5000 rpm. There are 3 common groups of blade types; abrasive for cutting stone/concrete, abrasive for cutting steel/metal, and diamond tipped, normally used for cutting stone/concrete.