... . low fuel consumption The Long Reach chainsaw (or chain saw) is a portable mechanical saw, powered by electricity, compressed air, hydraulic ... power, or most commonly a two-stroke engine.[1]It is used in activities such as tree felling, limbing, bucking, pruning ... to harvest firewood. The feature is the longpole. It can reach the things a little far. It is very convenient. Chainsaws with specially ...