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Old School RuneScape is a massively multiplayer online role-playing game (MMORPG), developed and published by Jagex.The game was released on 16 February 2013. When Old School RuneScape launched, it began as an August 2007 version of the game RuneScape, which was highly popular prior to the launch of RuneScape 3.
Yugoslav MRUD anti-personnel mine (front, accessories fitted). A Yugoslav MRUD anti-personnel mine (line drawing). A cutaway of an MD-82 mine. An M14 mine, showing a cutaway view.
The hammer and pick, two basic tools traditionally used in mining for breaking rock, together form a main heraldic symbol of mining and miners. It is also used to mark the location of mines on maps. In other locations, the pickaxe and shovel fill the same purpose. The following outline is provided as an overview of and topical guide to mining:
Coal mining greatly increased during the Industrial Revolution and the following decades. The main mining areas were around Aachen and the Ruhr area, along with many smaller areas in other parts of Germany, and until 1945 also in Upper Silesia, while the Saarland was repeatedly under French control. These areas grew and were shaped by coal ...
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Hewers with many years of experience, the ability to lead men and who had sufficient mining and technical skills, could be promoted to the rank of supervisor (Aufsichtshauer) or senior hewer (Oberhauer). They were not, however, supervisory staff in the mining legal sense, but had the role of a team foreman.
Overburden at a coal mining site. In mining, overburden (also called waste or spoil) is the material that lies above an area that lends itself to economical exploitation, such as the rock, soil, and ecosystem that lies above a coal seam or ore body.
Azurite-malachite on gossan from Arizona Malachite on gossan from Australia. Gossan (eiserner hut or eisenhut) is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.