shortwall cutter

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shortwall — /shawrt wawl /, adj. Mining. pertaining to a means of extracting coal when the working face is about a third the length of the longwall system and mining is done by a continuous cutter rather than by longwall machinery. [1910 15; SHORT + WALL] *… … Universalium
shortwall — /shawrt wawl /, adj. Mining. pertaining to a means of extracting coal when the working face is about a third the length of the longwall system and mining is done by a continuous cutter rather than by longwall machinery. [1910 15; SHORT + WALL] … Useful english dictionary
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Haveuse — Une haveuse (du wallon Xhavée : fossé, tranchée, vallée) est une machine utilisée dans des travaux souterrains afin d extraire des matériaux. Elles ont été initialement utilisée dans les mines pour réaliser un trait, une saignée mince et… … Wikipédia en Français

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