mechanical cooling bed
61Beer — /bear/, n. Thomas, 1889 1940, U.S. author. * * * I Alcoholic beverage made usually from malted barley, flavoured with hops, and brewed by slow fermentation. Known from ancient times, beer was especially common in northern climates not conducive… …
62Casting (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… …
63Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
64Punch press — A punch press is a type of machine press used to cut holes in material. It can be small and manually operated and hold one simple die set, or be very large, CNC operated, with a multi station turret and hold a much larger and complex die set.… …
65Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …
66technology, 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… …
67mammal — mammallike, adj. /mam euhl/, n. any vertebrate of the class Mammalia, having the body more or less covered with hair, nourishing the young with milk from the mammary glands, and, with the exception of the egg laying monotremes, giving birth to… …
68Volkswagen Type 2 — Infobox Automobile name = Volkswagen Type 2 manufacturer = Volkswagen aka = Volkswagen Bus Volkswagen Transporter Volkswagen Kambi production = 1950 present successor = Volkswagen Vanagon class = Van body style = 3 door van 4 door van 2 door… …
69Nuclear safety — covers the actions taken to prevent nuclear and radiation accidents or to limit their consequences. This covers nuclear power plants as well as all other nuclear facilities, the transportation of nuclear materials, and the use and storage of… …
70Damp (structural) — For other uses, see Damp (disambiguation). Detail showing some of the causes of damp penetration Structural dampness refers to the presence of unwanted moisture in the structure of a building, either the result of intrusion from outside or… …
