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A blasting machine or shot exploder is a portable source of electric current to reliably fire a blasting cap to trigger a main explosive charge. It is mostly used in mining and demolition. The use of the term "machine" dates from early designs that used an electrical generator operated by winding a rotary handle or pushing down a T-handle ...

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Continuous Mining Machine Operators - Bureau of … Occupational Employment and Wages, May 2017 47-5041 Continuous Mining Machine Operators. Operate self-propelled mining machines that rip coal, metal and nonmetal ores, rock, stone, or sand from the mine face and load it onto conveyors or into shuttle cars in a continuous operation.

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Injection molding machine - Wikipedia

An Injection molding machine, or (Injection moulding machine BrE), also known as an injection press, is a machine for manufacturing plastic products by the injection molding process. It consists of two main parts, an injection unit and a clamping unit .

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