The stratosphere (/ËstrÃ¦tÉËsfÉªÉr, -toÊ-/) is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere. About 20% of the atmosphere's mass is contained in the stratosphere.
The chainsaw is a highly effective and efficient tree and branch cutting power tool. It works with an engine, referred to as a power head; powering a metal chain, driven by a centrifugal clutch, with a chain moving around a groove in the guide bar at fast speeds.
As a quick introduction, the smaller saws in the Jonsered professional range start with. You have a lot of considerations and the CS2153 at 50cc and go up to the 65cc CS2156 which is the reliable saw for every day. Full-time forestry chainsaws are for purely professional workers in everyday use.