capillary-bellows element

capillary-bellows element: Холодильная техника: элемент с капиллярной трубкой и сильфоном

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History of perpetual motion machines — The history of perpetual motion machines dates back to the Middle Ages. For millennia, it was not clear whether perpetual motion devices were possible or not, but the development of modern thermodynamics has indicated that they are impossible.… … Wikipedia
photoengraving — /foh toh en gray ving/, n. 1. a photographic process of preparing printing plates for letterpress printing. 2. a plate so produced. 3. a print made from it. [1870 75; PHOTO + ENGRAVING] * * * Any of several processes for producing printing plates … Universalium
undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… … Universalium
Cupellation — is a metallurgical process in which ores or alloyed metals are treated under high temperatures and carefully controlled operations in order to separate noble metals, like gold and silver, from base metals like lead, copper, zinc, arsenic,… … Wikipedia

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