How do you choose and use a chainsaw? There are a wide range of saws available in a range of sizes and powers of the small, the electric chain saws that are designed to operate with light pruning until gasoline mass-Powered cars that can be used all day to break trees. All saws are powerful and can cause fatal injuries if not used according to the manufacturer's safety. Even men who never read the instruction books provided to women, should consult with the safety guidelines provided by the manufacturer. It is not possible to dig your way through a chain saw safely, without consulting this guide to safety. The chain has a set of teeth that have sharp edges which bite into the wood to cut. At the time the permanent teeth, a cut on the right and cut the next tooth on the left. The chain is supported by a bar and a circular path around the bar. Chainsaw maintenance is vital. There are two sets of components that require constant lubrication. The two stroke engine gets its lubrication of gasoline / fuel oil mixture. The chain is lubricated by a separate source of oil. Lube chain can be evacuated quickly because the oil tends to fly off the chain. Precautions must be taken to use the oil viscosity recommended by the manufacturer. Tangent can cause fatal injuries. Tangent is the sudden snap of the saw when it hits a hard object like a nail embedded in wood. Tangent can also occur if the bottling line in the cut, quite common in a very soft wood. You can buy chain saws to stop quickly and reduce the risk of backlash. It is important to use appropriate protective equipment, including ear muffs, glasses and cut resistant pants to reduce the risk of injury.