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Refrigeration Basics Quiz March 9, 2023, 1:27 am
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Piston Design and Bypass
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I've always liked old books. Think about an old printing press somewhere in Chicago or Boston or Scranton, Pennsylvania. Imagine workers with their hands covered in ink up to their elbows, setting type while giant machines of iron, steel, and brass stamp out a book page by page. Then those pages go on to be […]Read more
Can Pulling a Vacuum too Fast Freeze Water/Moisture?
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