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Oxlade, Chris.

Levers / Chris Oxlade. - Chicago, Ill. : Heinemann Library, c2003. - 32 p. : col. ill. ; 23 cm. - Useful machines Heinemann first library .

Includes bibliographical references (p. 32) and index.

What is a lever? -- What does a lever do? -- How does a lever work? -- Loads and efforts -- Levers together -- Pivots at the end -- More levers -- Levers for cutting -- Levers for turning -- Levers for digging -- Working levers -- Levers for control -- Amazing lever facts.

1403436622 (lib. bdg.) 1403436770 (pbk.)

2003003786


Levers.
Lifting and carrying.

TJ147 / .O84 2003

621.8