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According to Planet Minecraft statistics, Greenfield is the third-most downloaded Minecraft map of all time. [ 6 ] Greenfield is designed to resemble the West Coast of the United States, heavily inspired by Los Angeles , [ 2 ] and is built to a one-to-one scale, with each block's size being one cubic meter. [ 7 ]
Tony Hawk's Underground: 2003 2016 Various Sports game: Neversoft: The game's C++ source code was leaked in February 2016 to GitHub. [241] Total Carnage: 1992 2021 Arcade Multidirectional shooter: Midway Games: Uploaded by Jason Scott to GitHub on April 6, 2021. [110] Trog: 1990 2021 Arcade Racing game: Midway Games: Uploaded by Jason Scott to ...
When the top of the excavation is the ground surface, it is referred to as a shaft; when the top of the excavation is underground, it is called a winze or a sub-shaft. Small shafts may be excavated upwards from within an existing mine as long as there is access at the bottom, in which case they are called raises .
Headframe of the #1 Shaft at Oyuu Tolgoi. A steel headframe is less expensive than a concrete headframe; the tallest steel headframe measures 87 m. [4] Steel headframes are more adaptable to modifications (making any construction errors easier to remedy), and are considerably lighter, requiring less substantial foundations.
Schematic of underground mine ventilation The mine ventilation fan, before 1908. Underground mine ventilation provides a flow of air to the underground workers of a mine with sufficient volume to dilute and remove dust and noxious gases (typically NO x, SO 2, methane, CO 2 and CO) and to regulate temperature.
There are two principal phases of underground mining: development mining and production mining. Development mining is composed of excavation almost entirely in (non-valuable) waste rock in order to gain access to the orebody. There are six steps in development mining: remove previously blasted material (muck out round), scaling (removing any unstable slabs of rock hanging from the roof and ...
Throughout South Vietnam, there were secret underground bases that operated successfully. There are reports that every villager was obliged to dig 90 cm (35 in) of tunnel a day. The largest underground base was the tunnels of Cu Chi with an overall length of 320 km (200 mi).
Borehole; Bunker; Burial vault (tomb) Casemate; Catacombs; Cave dweller, Underground living; Cave temple; Cellar; Dungeon; Dugout (shelter) Fogou; Hypogeum; Mine ...