A chainsaw is a portable power tool used for cutting wood and other materials. It consists of a motor that drives a chain with sharp teeth around a guide bar. Chainsaws are commonly used in forestry, construction, and landscaping for tasks like tree felling, limb removal, and cutting firewood. There are two main types of chainsaws: gas-powered and electric. Gas-powered chainsaws are typically more powerful and suitable for heavy-duty tasks, while electric chainsaws are quieter and easier to maintain, making them ideal for lighter jobs. Safety gear, such as gloves and goggles, is essential when operating a chainsaw to prevent injuries.