1755752
9780761312093
A wonderfully simple look at the science theory behind construction vehicles, including the key subjects of how levers work, how these vehicles are built, how their engines work, and how they are steered. Includes instructions and plans for a fully working crane model!Bryson Gore is the author of 'Trucks, Tractors, And Cranes (How Science Works)', published 2000 under ISBN 9780761312093 and ISBN 0761312099.
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