Hoisting devices are tools used to lift and move heavy objects. Petards and WINCHES are two common hoisting devices. Petards are a type of lifting device that uses a lever and fulcrum to lift heavy objects. WINCHES are a type of hoisting device that use a rope or cable to lift and move heavy objects. Both petards and WINCHES are commonly used in construction, engineering, and other industries where heavy objects need to be moved.