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In the coal mining industry low profile personnel carriers are the most commonly used. These carriers may only have a 3 to 3.5 feet (0.91 to 1.07 m) height dimension and carry up to 14 men, and are typically built from the ground up and can be designed with job specific attachments.
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 ...
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.
Minecarts range in size and usage, and are usually made of steel for hauling ore. Shaped like large, rectangular buckets, minecarts ride on metal tracks and were originally pushed or pulled by men and animals (supplemented later by rope-haulage systems). They were generally introduced in early modern time, replacing containers carried by men.
In the first decade of the 20th century, electric locomotives were displacing animal power for this secondary haulage role in mines [24] where sparking triggered explosive methane buildup was a lesser danger. Several cable haulage systems were used:
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Modular Mining is a privately held company that develops, manufactures, markets, and services mining equipment management systems, headquartered in Tucson, Arizona, U.S.A. Modular's DISPATCH Fleet Management System is available in eight languages, and has been deployed at more than 250 active mine sites; among these are nine of the ten highest-producing surface mines in the world.
Alison LaCroix, professor of constitutional law at the University of Chicago Law School, told ABC News that the power to regulate and implement key laws lies strictly within the states and many ...