The usefulness of lithium brushless electric Angle grinder

Lithium electricity a lot of useless use brushless Angle grinder, carpenter, bricklayer's, welders are used to. Installed on the grinding wheel is a small portable grinding wheel cutter, cutting grinding small metal parts, metal processing such as stainless steel window and light boxes are made without it. Wouldn't it or make stone processing installation, can be installed marble cutting wheel, and a series of films, crystal, flowing wool, cutting, grinding, polishing all must depend on it. To be sure, Angle grinding machine is used for grinding, because of the high Angle grinder speed, using the cut or saw blade, cutting were not dead turn, or too hard, can't cut more than mm thick hard material, otherwise once gets stuck, will cause the saw blade, cutting piece broken splash, bounce off or machine is out of control, may damage the objects, or hurt! Please select tooth more high quality blade, and keep hands operation, completes the protective measures.