(1) first of all, according to their own requirements, the difference is in the home use or professional use, usually professional using the difference between average household use power tools and electric tools, mainly on the power of professional use of electric power tools is bigger, average household with smaller power, input power and small compact volume, high integration of electric tools is higher than the large size in use convenience, function of a single product. So try to choose a feature-rich, small size, simple structure, easy to receive electric tools of choose and buy electric tools, need to buy packaging case is clear, no broken electric tools of choose and buy of electric tool normal appearance, plastic parts is complete, there is no obvious shadow and dents, no scratches or knock against, the coating is smooth and beautiful do not have a defect, the machine no grease and dirt, surface smooth switch handle, wire and cable length is generally not in 2 m electric tools about the logo is clear, complete, parameters, manufacturer, certificate of approval with hand held tools, such as processing power, frequent operation switch, make the tool is frequent starting, Observe whether the on-off function of the tool switch is reliable and whether it affects the TV set/fluorescent lamp on site, so as to judge whether the tool is equipped with anti-interference suppressor.
