What does REFR stand for?

Refrigerate

Rearigerator

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Rare and Exotic Feline Registry

Refrigeration

Transfer of heat from a lower temperature to a higher temperature region. A tower filled with small objects, designed to obtain large surfaces per volume between rising vapors and a descending liquid.

Reffaction

Refroctive

Refractory

A material, usually in brick form, which is used to line boiler furnaces. It must resist high temperatures, change in temperature and the effects of hot flowing gases. Suitable materials include china clay, fire clay and silica.

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