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 are often talked about together with tonsils. And more often, children get their adenoids and tonsils removed. This is because most kiddies usually have enlarged adenoids that even interfere with the functioning of their respiratory system.Although adenoids and tonsils have similar function, i.e. trapping bacteria and viruses, they're completely separate.nd more often, children get their adenoids and tonsils removed. This is because most kiddies usually have enlarged adenoids that even interfere with the functioning of their respiratory system. Although adenoids and tonsils have similar function, i.e. trapping bacteria and viruses, they're completely separate.