acid cleaning tank
41Wastewater — For the lake in Northwestern England, see Wastwater. Public infrastructure …
42Froth flotation — Diagram of a cylindrical froth flotation cell with camera and light used in image analysis of the froth surface. Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic. This is used in several processing… …
43Benzene — For other uses, see Benzene (disambiguation). See also: Benzole Benzene …
44agricultural technology — Introduction application of techniques to control the growth and harvesting of animal and vegetable products. Soil preparation Mechanical processing of soil so that it is in the proper physical condition for planting is usually… …
45fat and oil processing — ▪ chemistry Introduction method by which animal and plant substances are prepared for eating by humans. The oil and fat products used for edible purposes can be divided into two distinct classes: liquid oils, such as olive oil, peanut …
46Chemical tanker — The chemical tanker GINGA FALCON on the Columbia River showing a Independent one tank / one pump system …
47Chemical industry — Oil refinery in Louisiana an example of chemical industry The chemical industry comprises the companies that produce industrial chemicals. Central to the modern world economy, it converts raw materials (oil, natural gas, air, water, metals, and… …
48Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …
49Characters of The Keys to the Kingdom — The Keys to the Kingdom is a fantasy adventure book series, written by Garth Nix, started in 2003 with Mister Monday . The series follows the story of Arthur Penhaligon and his charge as the Rightful Heir of the Architect to claim the Seven Keys… …
50'Allo 'Allo! (series 8) — This article contains episode summaries for the eighth series of the British Sitcom series Allo Allo!. The series contains a Christmas special which aired on 24 December 1991, and seven episodes which first aired between 5 January and 1 March… …
