pressurized product
41environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
42petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
43baking — Process of cooking by dry heat, especially in an oven. Baked products include bread, cookies, pies, and pastries. Ingredients used in baking include flour, water, leavening agents (baker s yeast, baking soda, baking powder), shortening (fats,… …
44Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… …
45CANDU reactor — The CANDU reactor is a Canadian invented, pressurized heavy water reactor developed initially in the late 1950s and 1960s by a partnership between Atomic Energy of Canada Limited (AECL), the Hydro Electric Power Commission of Ontario (now known… …
46P-47 Thunderbolt — infobox Aircraft name =P 47 Thunderbolt type =Fighter bomber manufacturer =Republic Aviation caption =USAAF P 47D Razorback configuration designer =Alexander de Seversky Alexander Kartveli first flight =6 May 1941 introduction =1942 retired =1955 …
47End face mechanical seal — An end face mechanical seal, also referred to as a mechanical face seal but usually simply as a mechanical seal, is a type of seal utilised in rotating equipment, such as pumps and compressors. When a pump operates, the liquid could leak out of… …
48Mikoyan-Gurevich MiG-9 — For the previous aircraft called MiG 9 , see Mikoyan Gurevich MiG 3. MiG 9 …
49Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
50Nuclear fuel — Process …
