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Portable Network Graphic  |  1994-07-28  |  7.4 KB  |  355x251  |  8-bit (56 colors)
   ocr: CLASSES OF LEVER - - - L 7 a First-Class Second-Class Third-Class Levers Levers Levers Levers can be grouped according to howyou arrange the effort, fulcrum, and load along the bar. Different arrangements can be used to do different jobs.