Vertical Grinder Is a power tool used for grinding is a grinding machine. It is a kind of machining where the cutting tool is an abrasive wheel. Through shear deformation, each abrasive grain on the surface of the wheel removes a tiny chip from the workpiece.
Sandpaper is a form of coated abrasive that consists of sheets of paper or cloth with abrasive material attached to one face. There are numerous different types of sandpaper, each having a different paper or backing, grit type, grit size, and bond.
A manual or electric screwdriver called a screwdriver (short bit)-pistol type is used to turn screws. A typical simple screwdriver consists of a handle, a shaft with a tip at the end, and a handle for turning the tip into the screw head.