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.
adenoids. 1  one of two masses of lymphatic tissue situated on the posterior wall of the nasopharynx behind the posterior nares. During childhood these masses often swell and block the passage of air from the nasal cavity into the pharynx, preventing the child from breathing through the nose.
Adenoid removal is surgery to take out the adenoid glands. The adenoid glands sit behind your nose above the roof of your mouth. Air passes over these glands when you take a breath. The adenoids are often taken out at the same time as the tonsils (tonsillectomy). Adenoid removal is also called adenoidectomy. The procedure is most often done in children.