refrigerating unit
31Blood transfusion — Intervention Plastic bag containing packed red blood cells in citrate, phosphate, dextrose, and adenine (CPDA) solution …
32Psychrometrics — or psychrometry are terms used to describe the field of engineering concerned with the determination of physical and thermodynamic properties of gas vapor mixtures. The term derives from the Greek psuchron (ψυχρόν) (… …
33Environmental chamber — Example of temperature/humidity chamber. An environmental chamber is an enclosure used to test the effects of specified environmental conditions on biological items, industrial products, materials, and electronic devices and components.… …
34refrigerant control — [1] Device which meters flow of refrigerant between two areas of a refrigerating system. It also maintains pressure difference between high pressure and low pressure side of the mechanical refrigerating system while unit is running. [2] Device… …
35HVAC control system — A HVAC control system is a computerized control system for climate control in buildings. Stand alone control devices may be pneumatic or electronic. Some may have microprocessors, but to be considered a control system for the context of this… …
36Ice cream maker — A domestic ice cream maker or ice cream freezer is a machine used to make small quantities of ice cream at home. Ice cream makers may stir the mixture by hand cranking or with an electric motor, and may chill the ice cream by using a freezing… …
37Evaporative cooler — An evaporative cooler, photographed in Rocky Ford, Colorado, used in the drier parts of the American West to provide economical cooling …
38ASHRAE Handbook — The ASHRAE Handbook is the four volume flagship publication of the nonprofit technical organization American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc. (ASHRAE). This Handbook is considered the practical repository of… …
39Battery (electricity) — For other uses, see Battery (disambiguation). Various cells and batteries (top left to bottom right): two AA, one D, one handheld ham radio battery, two 9 volt (PP3), two AAA, one C, one …
40load — I. noun Etymology: Middle English lod, from Old English lād support, carrying more at lode Date: 12th century 1. a. the quantity that can be carried at one time by a specified means; especially a measured quantity of a commodity fixed for each… …
