what is jigsaw ? Jigsaws are among widely used tools in carpentry. By using a jig saw, complex patterns could be drawn and carved on the desired surface. This kind of tools are divided in two sections; Industrial and Semi-Industrial. Industrial jig saw has a gearbox system that can do its job in a long period and under a lot of pressure thanks to its gear which is located on the front side of the device. Semi-Industrial jig saws were designed for the semi-professional users working in different