Chainsaws Cutting Wood

The rev of the chainsaw begins its journey into the timber. Soon, the woods are filled with the sound of other chainsaws joining in the chorus. In the distance, men can be heard calling to one another, and for a few seconds the sawing stops. It is soon picked up again, claiming a rhythm of its own with motors urging them onward. A chainsaw (or chain saw) is a portable mechanical saw, powered by electricity, compressed air, hydraulic power, or most commonly a two-stroke engine. It is used in activities such as tree felling, limbing, bucking, pruning, by tree surgeons to fell trees and remove branches and foliage, to fell snags and assist in cutting firebreaks in wild land fire suppression, and to harvest firewood