dust exhaust fan
41Volkswagen Beetle — This article is about the original Volkswagen Beetle. For the automobile introduced in 1998, see Volkswagen New Beetle. Volkswagen Type 1 Manufacturer Volkswagen Also called Beetle …
42Engine knocking — Pinging redirects here. For other uses, see Ping (disambiguation). Knocking (also called knock, detonation, spark knock, pinging or pinking) in spark ignition internal combustion engines occurs when combustion of the air/fuel mixture in the… …
43Chevrolet Corvair — 1965 Chevrolet Corvair Corsa Hardtop Coupe Manufacturer Chevrolet Division of General Motors Production 1959–1969 …
44Convection — This figure shows a calculation for thermal convection in the Earth s mantle. Colors closer to red are hot areas and colors closer to blue are cold areas. A hot, less dense lower boundary layer sends plumes of hot material upwards, and likewise,… …
45List of Doctor Who universe creatures and aliens — This is a list of fictional creatures and aliens from the universe of the long running BBC science fiction television series Doctor Who, including Torchwood, The Sarah Jane Adventures and K 9. It covers alien races and other fictional creatures,… …
46Disciples of Confucius — Sima Qian has Confucius saying: The disciples who received my instructions, and could themselves comprehend them, were seventy seven individuals. They were all scholars of extraordinary ability. The common saying is, that the disciples of the… …
47Microwave oven — A modern microwave oven …
48Harry Potter influences and analogues — Writer J. K. Rowling cites several writers as influences in her creation of her bestselling Harry Potter series. Writers, journalists and critics have noted that the books also have a number of analogues; a wide range of literature, both… …
49Dehumidifier — Typical portable dehumidifier, mounted on casters A dehumidifier is typically a household appliance that reduces the level of humidity in the air, usually for health reasons. Humid air can cause mold and mildew to grow inside homes, which pose… …
50Hit and miss engine — A hit and miss engine is a type of four stroke internal combustion engine that was conceived in the late 1800s and was produced by various companies from the 1890s through approximately the 1930s. The name comes from the method of speed control… …
