Cranes, dump trucks, bulldozers and other building machines
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First published: 1993
2 languages
ISBN: 9780862729806
Description
Investigates, in text and labelled diagrams and illustrations, the functions of various kinds of building machines and how they work. Includes instructions for related projects and experiments.
![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg)
