What are the Different Types of Excavating Equipment? – wiseGEEK

http://www.wisegeek.com/what-are-the-different-types-of-excavating-equipment.htm
Nov 7, 2015 The first types of excavating equipment consisted of hands and sharp sticks.
Technology moved onward and upward to the shovel and the …


China Metallurgical Group Corporation

construction, industrial and civil construction, rock and earthwork excavation, equipment installation, and steel structure fabrication and installation services;

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Gas pipeline and excavation safety are the topic of hearing
The Bakersfield Californian, on Thu, 17 Dec 2015 18:16:26 -0800
Allen said 55 percent of excavation damages between 2008 and 2015 were the result of calls not being made to 811, which notifies utility companies, such as PG&E, of a person or company's intention to dig. The utility then locates … “We can replace

Profitable use of excavation equipment
Elmer R. Drevdahl, published 1961, 156 pages