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Lee Botha Basic Refrigerant Circuit Course June 27, 2021, 10:08 am
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Careful With That 40VA Transformer
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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
An Evaporator Coil With No Fins?
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