The most abundant metal element in Earth's crust. Aluminum originates as an oxide called alumina. Bauxite ore is the main source of aluminum and must be imported from Jamaica, Guinea, Brazil, Guyana, etc.
A coping saw is used for creating fine work such as the joints for a timber cornice. For such projects, no power tool is able to replace the accuracy of the coping saw. Coping saws can also be used to cut shapes out of the middle of a piece of wood or other material. To do this, first drill a small hole into the wood. Then remove the blade from the frame, place it through the drilled hole and reattach it to the frame. You can then proceed to saw out the desired shape. Crosscut Saw.
Grout saw or grout scraper, a manual tool for removal of old and discolored grout. The blade is usually composed of tungsten carbide. Grout float, a trowel-like tool for smoothing the surface of a grout line, typically made of rubber or soft plastic.