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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 ...
In a five-year period from 1906-1911, 13,228 miners were killed in U.S. coal mines. As a result, the Bureau of Mines was established by Congress on July 1, 1910, "to make diligent investigation of the methods of mining, especially in relation to the safety of miners and the appliances best adapted to prevent accidents."
The maximum height, width, and length of general Chinese rolling stock are 4,800 mm (15 ft 9 in), 3,400 mm (11 ft 2 in) and 26 m (85 ft 4 in) respectively, with an extra out-of-gauge load allowance of height and width 5,300 by 4,450 mm (17 ft 5 in by 14 ft 7 in) with some special shape limitation, corresponding to a structure gauge of 5,500 by ...
It was formed by the Federal Coal Mine Health and Safety Act of 1969, [2] and co-approved respirators with NIOSH under 30 CFR Part 11. [3] It was dissolved and replaced with MSHA following the passage of the Federal Mine Safety and Health Act of 1977.
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.
The system's track gauge is 4 ft 8 + 1 ⁄ 4 in (1,429 mm) – 0.25 inches (6 mm) narrower than 4 ft 8 + 1 ⁄ 2 in (1,435 mm) standard gauge. [2] Also, at 40 inches (1,016 mm) above top of rail, [ 2 ] the floor height of the cars is lower than that of most other East Coast mass transit systems, including New York City , Boston [ 3 ] and ...
Foudre ' s flight deck, measuring 1,450 m 2 (15,600 sq ft) has two landing spots but only one fitted with SAMAHE haul-down systems. Siroco ' s flight deck measures 1,740 m 2 (18,700 sq ft) after it was extended aft. Both ships can add an additional 30 by 15 m (98 by 49 ft) landing spot on portable helicopter and vehicle stowage platform aft.
The Mack NO 7 + 1 ⁄ 2-ton 6x6 truck was a heavy 6x6 cargo truck designed in the 1940s by the American manufacturer Mack Trucks. It was used by the U.S. Army as an artillery tractor for heavy artillery during and after World War II. The official U.S. Army designation was: Truck, 7 1/2 ton, 6x6, Prime Mover. [2] Its G-number was (G-532).