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.
Adenoids Treatments. 1  Adenoids surgery (adenoidectomy): Surgery to remove the adenoids is often required when the adenoids are large enough to cause other health problems. 2  Antibiotics: Antibiotics kill bacteria, usually curing sinus or ear infections caused by bacteria.denoids Treatments. 1  Adenoids surgery (adenoidectomy): Surgery to remove the adenoids is often required when the adenoids are large enough to cause other health problems. 2  Children's adenoids may be removed surgically with no apparent ill effects.