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Heavy & civil
Industry: Construction
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Heavy & civil
Mast
Construction; Heavy & civil
The mast of the blast hole drill is a welded structural steel assembly that supports and guides the rotary head. The pipe racks and auxiliary winch, breakout wrench, and pipe positioners are also ...
Injector
Construction; Heavy & civil
In a diesel engine, the unit that sprays fuel into the combustion chamber.
Inslope
Construction; Heavy & civil
Portion of a slope that extends from the edge of the shoulder of a road to the bottom of the slope or the ditch that parallels the road.
Jack pad
Construction; Heavy & civil
The jack pad is a metal plate attached to the lower end of each levelling jack assembly, as on the blast hole drill. The jack pad provides a large surface area on which the levelling jack can rest.
Mast-raising cylinders
Construction; Heavy & civil
Hydraulic cylinders used to raise and lower the mast to and from its drilling position.
Mining
Construction; Heavy & civil
Usually removal of soil or rock having value because of its chemical composition.
