Scrapers are big earth movers. They have a part that chops up the ground so that the ground can be scraped up and transported. See the whole process unfold in the pages of this introduction to scrapers.
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Book Description Childrens Pr, 2010. LIB. Book Condition: Brand New. 24 pages. 9.25x7.00x0.50 inches. In Stock. Bookseller Inventory # 0531222020