қара газ

қара газ

Term used for when there's an area with low oxygen levels and too much nitrogen, argon, carbon dioxide or water vapor. In mining, this creates a deadly situation where asphyxiation is common.

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Vārdšķira: noun
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Category: Coal
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газ

Chemistry; General chemistry

Matter in a form that has low density, is easily compressible and expandable, and expands spontaneously when placed in a larger container. Molecules in a gas move freely and are ...

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.

үзілу желісі

Energy; Coal

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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Алтын Глобустар

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