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permited explosives; permissible explosives; permitted explosives | |||
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permissible; blasting explosive; safe explosive | |||
radio-active substance; radioactive substance | |||
safety explosive (для подземных работ); permissible explosive (для подземных работ); short flame explosive (для подземных работ) | |||
coal-mine powder (для угольных шахт); short-flame explosive; safety blasting explosive; permissible explosive; safety blasting explosive | |||
safety explosive; permitted explosive | |||
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permissible explosive; short flame explosive; safety explosive |
предохранительные взрывчатые вещества : 12 phrases in 1 subject |
Mining | 12 |