Search results
Results from the WOW.Com Content Network
The Mine Safety and Health Administration (MSHA) (/ ˈ ɛ m ʃ ə /) is a large agency of the United States Department of Labor which administers the provisions of the Federal Mine Safety and Health Act of 1977 (Mine Act) to enforce compliance with mandatory safety and health standards as a means to eliminate fatal accidents, to reduce the frequency and severity of nonfatal accidents, to ...
Power shovels are a type of rope/cable excavator, where the digging arm is controlled and powered by winches and steel ropes, rather than hydraulics like in the modern hydraulic excavators. Basic parts of a power shovel include the track system, cabin, cables, rack, stick, boom foot-pin, saddle block, boom, boom point sheaves and bucket.
Heavy equipment vehicles of various types parked near a highway construction site. Heavy equipment, heavy machinery, earthmovers, construction vehicles, or construction equipment, refers to heavy-duty vehicles specially designed to execute construction tasks, most frequently involving earthwork operations or other large construction tasks.
The WABCO 3200 was a rare example of a tri-axle haul truck configuration A medium sized haul truck, the 214-short-ton (194 t; 191-long-ton) Caterpillar 789 [1]. Most haul trucks have a two-axle design, but two well-known models from the 1970s, the 350T Terex Titan and 235T WABCO 3200/B, had three axles.
The Federal Coal Mine Health and Safety Act of 1969, U.S. Public Law 91-173, generally referred to as the Coal Act, was passed by the 91st United States Congressional session and enacted into law by the 37th President of the United States Richard Nixon on December 30, 1969.
The Federal Mine Safety and Health Act of 1977 (Public Law 95-164) amended the Coal Mine Safety and Health Act of 1969.It can be found in the United States Code under Title 30, Mineral Lands and Mining, Chapter 22, Mine Safety and Health.
Oshkosh M911 tractor hauling logs. A logging truck or timber lorry is a large truck used to carry logs. [1] Some have integrated flatbeds, some are discrete tractor units, and some are configured to spread a load between the tractor unit and a dollied trailer pulled behind it. Often more than one trailer is attached.
A haul road (also haulage road or haul track) is a term for roads designed for heavy or bulk transfer of materials by haul trucks in the mining industry.It is also used for freight-only roads in other contexts, for example in South Boston leading to Conley Terminal.