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Book, 1995
Current format, Book, 1995, 1st American ed., Available .
Book, 1995
Current format, Book, 1995, 1st American ed., Available . Offered in 0 more formats
WHY are mining shovels so huge? do giant road scrapers have an extra engine in the back? do bulldozers have tracks? HOW do you steer an excavator? does a truck crane work? does a paver lay a roadway?
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