A chain saw or chainsaw is a type of saw that uses electric current, hydraulic force and often works by a two-stroke engine. The use of this device is often used for cutting trees, pruning their foliage, or planting firewood from tree branches, as well as pruning fruit trees, barking dry branches, cutting trees in forests or wood production fields. In other words, sawing Motor or chain saw is the most used tool for gardeners.

Motor saws are also used for personal and household use in low volumes, but most are used by professionals or people who need to cut a large amount of foliage or trees themselves.