vacuum-steam heating
31NER Class P3 — LNER Class J27 A Class J27 locomotive at the coaling stage outside South Blyth shed Power type Steam Builder NER Darlington Works North British Locomotive C …
32British Rail Class 33 — Infobox Locomotive name = BRCW Type 3 British Rail Class 33 powertype = Diesel electric caption = D6547 in original green livery without yellow warning panels near Sundridge Park in 1963. roadnumber = D6500–D6597; later 33001–33065, 33101–33119,… …
33Distillation — Distiller and Distillery redirect here. For other uses, see Distiller (disambiguation) and Distillery (disambiguation). For other uses, see Distillation (disambiguation). Laboratory display of distillation: 1: A heating device 2: Still pot 3:… …
34food preservation — Any method by which food is protected against spoilage by oxidation, bacteria, molds, and microorganisms. Traditional methods include dehydration, smoking, salting, controlled fermentation (including pickling), and candying; certain spices have… …
35technology, history of — Introduction the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …
36petroleum 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… …
37Thermal power station — Republika Power Plant, a thermal power station in Pernik, Bulgaria …
38Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
39Evaporator — Within a downstream processing system, several stages are used to further isolate and purify the desired product. The overall structure of the process includes pre treatment, solid liquid separation, concentration, and purification and… …
40steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
