grader levelling blade

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• Grader — Grad er, n. 1. One who grades, or that by means of which grading is done or facilitated. 2. Specifically: A vehicle used for levelling earth, esp. one with a plow blade suspended from the center, used specifically for grading roads. [PJC] …   The Collaborative International Dictionary of English

• Bulldozer — For other uses, see Bulldozer (disambiguation). A Caterpillar D10N bulldozer equipped with a single shank ripper. A bulldozer is a crawler (continuous tracked tractor) equipped with a substantial metal plate (known as a blade) used to push large… …   Wikipedia