Simple machines

Describes how simple machines are used in construction and how they make work easier.

Amicus
2011
9781607530169
book

Holdings

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145177150878332198225836329979WEDW485WEDW700182621.8 MAC621.815814652241708963493
313484365712691564225836329979101531000024107621.8 MAC621.816407292551640729255