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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.
Mining of sulfur from a deposit at the edge of Ijen's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.
A surveyor, latcher, dialler or (in Scotland) engineer was responsible for taking bearings underground, plotting surveys and drawing plans; a surveyor's assistant was also called a "chainman". [2] Sylvester. A sylvester, or nanny, [6] was a ratchet device for pulling out pit props, used particularly when collapsing the roof during longwall mining.
Underground construction has a number of unique risks and challenges but shares a lot with traditional construction and mining. Underground construction workers often work under reduced light condition, in dangerous spaces, and are at a high risk of exposure to contaminants, fire, and explosions.
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The basics of mining engineering includes finding, extracting, and preparing minerals, metals and coal. These mined products are used for electric power generation and manufacturing industries. Mining engineers also supervise the construction of underground mine operations and create ways to transport the extracted minerals to processing plants.
Joy Global's underground business received 90% of its revenue from coal projects, [2] and from the manufacture of underground mining equipment. [ 26 ] In 2011 underground mining machinery accounted for 60.5% of Joy Global's revenue (excluding LeTourneau) up from 60.3% in 2010.
The Neil George Safety System (or 5-Point Safety System) is an occupational health and safety program developed for and used in underground mining. The system was developed in 1942 by Canadian engineer Neil George, who at the time was an employee of Inco Limited in Sudbury, Ontario. The program is used throughout Canada and internationally. [1] [2]
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