tube water heater
21Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …
22Boiler (steam generator) — Contents 1 Steam generator (component of prime mover) 2 Boiler types 2.1 Haycock and wagon top boilers …
23MythBusters (2009 season) — Country of origin Australia United States No. of episodes 23 (includes 3 specials) Broadcast Original channel …
24Radiator — Radiators and convectors are types of heat exchangers designed to transfer thermal energy from one medium to another for the purpose of cooling and heating. The majority of radiators are constructed to function in automobiles, buildings, and… …
25Plumbing — Plumbing, from the Latin plumbum for lead, is the skilled trade of working with pipes, tubing and plumbing fixtures for drinking water systems and the drainage of waste. A plumber is someone who installs or repairs piping systems, plumbing… …
26Anode — An anode is an electrode through which electric current flows into a polarized electrical device. Mnemonic: ACID (Anode Current Into Device). Electrons flow in the opposite direction to the positive electric current.A widespread misconception is… …
27Spiral watertube boiler — Climax boiler, arrangement of tubes from above …
28Basement — This article is about the section of a building. For other uses, see Basement (disambiguation). An unfinished basement used for storage and exercise equipment …
29Nuclear power accidents by country — The abandoned city of Pripyat, Ukraine with the Chernobyl nuclear power plant in the distance. 57 accidents have occurred since the Chernobyl disaster in 1986. Two thirds of these mishaps occurred in the US.[1] The French Atomic Energy Agency… …
30Heat pump — A heat pump is a machine or device that moves heat from one location (the source ) to another location (the sink or heat sink ), using work. Most heat pump technology moves heat from a low temperature heat source to a higher temperature heat sink …
