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Auch, Alison.

Cool tools / by Alison Auch ; content and reading advisor: Joan Stewart. - Minneapolis, Minnesota : Compass Point Books, 2002. - 24 p. : col. ill. ; 23 cm. - Spyglass books .

Includes index HARDCOVER

What is a machine? -- Can opener -- Doorknob -- Toilet -- Scissors -- Clothespin -- Pliers -- Pizza cutter -- Make your own simple machine!

0756502306 (hardcover)

2001007321


Simple machines.

TJ147 / .A87 2002

621.8