Douglas, Llyod G. text xx New York Scholastic c2002 2002 monographic und

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24 pages: 15 cm Introduces the wheel and axle as a simple machine that can make it easier to move heavy objects, as well as to flatten dough. Lloyd G Douglas. Lex: 290 English Wheels Juvenile literature Axles Juvenile literature 621.811 D74w c2002 9780516240275 251212 20260803094207.0