үзілу желісі

үзілу желісі

A line above which the roof of a coal mine is expected to break. It follows the rear edge of the pillars.

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Del af tale: noun
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Branche/domæne: Energy
Category: Coal
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Relaterede termer

жарылғыш зат

Energy; Coal

A material that is made of a fuel and an oxidizer. It's usually not very sensitive and requires a booster explosive or secondary explosive to ignite it.

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A large or deep hole that's been caused by drilling.

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желінің үзілуі

Energy; Coal

An opening that is made through pillars that allows for ventilation.

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