waste heater
71Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… …
72Plumbing — 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… …
73Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
74List of British words not widely used in the United States — Differences between American and British English American English …
75Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… …
76PKP class ET21 — Infobox Locomotive Auto name = ET21 powertype = Electric caption = ET22 351 locomotive builder = Pafawag serialnumber = buildmodel = 3E, 3E/1 builddate = 1957 1971 totalproduction = 726 whytetype = aarwheels = uicclass = Co Co gauge =… …
77Economizer — Economizers, or in British English economisers, are mechanical devices intended to reduce energy consumption, or to perform another useful function like preheating a fluid. The term economizer is used for other purposes as well. Boiler,… …
78Soil thermal properties — The thermal properties of soil are a component of soil physics that has found important uses in engineering, climatology and agriculture. These properties influence how energy is partitioned in the soil profile. While related to soil temperature …
79Renewable energy in Australia — Australia s renewable energy industries cover numerous energy sources and stages of commercialisation. Renewable energy technologies currently contribute about 6 per cent of Australia s total energy supply and some 8 per cent of Australia s… …
80Pot washing — is the process of cleaning low to heavily baked on items off of restaurant kitchen food equipment including but not limited to pots, pans, trays, tubs and more.Pot washing is often a heavy sector in restaurants and kitchens, ergonomically a… …
