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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Ordklass: noun
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Bransch/domän: Energy
Category: Coal
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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.

жарылғыш

Energy; Coal

A device containing a primary explosive that is sensitive to heat and shock. The blasting cap is used to start the denotation of the secondary explosive, which for safety reasons ...

электр-жарылғыш желі

Energy; Coal

An electric circuit that is used to detonate a primary explosive in a blasting cap.

бұрғы ұңғымасы

Energy; Coal

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

тосқауыл

Energy; Coal

A material that is used to partition a mine for air ventilation. Can be made from concrete, plastic, cloth or other materials.

желінің үзілуі

Energy; Coal

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

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