Video Description
Driving a Cat 777 from the surface to the pit
bottom.
Caterpillar Inc.
Caterpillar Inc. is a United
States-based corporation headquartered
in Peoria, Illinois. Caterpillar is,
according to their corporate website,
"the world's largest manufacturer of
construction and mining equipment,
diesel and natural gas engines, and
industrial gas turbines." Caterpillar
produces a wide range of heavy
equipment, including the range of
Caterpillar bulldozers. Caterpillar's
line of vehicles range from tracked
tractors to hydraulic excavators,
backhoe loaders, motor graders,
off-highway trucks, wheel loaders, and
agricultural tractors. They are used in
construction, road-building, mining,
forestry, energy, transportation and
material-handling industries.
Caterpillar is one of the thirty
companies whose stock is tracked in the
Dow Jones Industrial Average. It is a
Fortune 500 company, ranked number 50 in
2008, and first in its industry, with
more than $30 billion in assets. Source:
Wikipedia, Caterpillar.
Caterpillar 777
The Caterpillar 777 dump truck is a
model of large dump trucks, typically
used in open pit mining, manufactured by
Caterpillar Inc.
Open Pit Mining
Open-pit mining refers to a method of extracting rock or minerals from the earth by their removal from an open pit or borrow.
Open-pit mines are used when deposits of
commercially useful minerals or rock are
found near the surface.
Open-pit mines that produce building
materials and dimension stone are
commonly referred to as quarries.
Open-pit mines are typically enlarged until either the mineral resource is exhausted, or an increasing ratio of overburden to ore makes further mining uneconomic. When this occurs, the exhausted mines are sometimes converted to landfills for disposal of solid wastes. However, some form of water control is usually required to keep the mine pit from becoming a lake.
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