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.
The Echo Chainsaw CS-310 has a number of features that will help you in cutting down trees, branches and wood much easier. With its 14-inch bar length, you might think that it weighs quite a bit. But at 8 lbs., itâs quite lightweight compared to other powerful chainsaws.