A striped racer, also known as the California whipsnake, is a species of non-venomous snake native to the coast and foothills of California. It is a long, slender, and fast-moving snake, identified by its distinctive stripes running down the length of its body. They primarily feed on lizards and small rodents. The scientific name for this species is Masticophis lateralis.
Room-and-pillar mining
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The most common method of underground mining in which the mine roof is supported mainly by coal pillars left at regular intervals. Rooms are places where the coal is mined; pillars are areas of coal left between the rooms. Room-and-pillar mining is done either by conventional or continuous mining.
Room-and-pillar mining meaning & definition 1 of Room-and-pillar mining.
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This page shows you usage and meanings of Room-and-pillar mining around the world.
Best thing is, its free and you can even contribute without creating an account.
This page shows you usage and meanings of Room-and-pillar mining around the world.
