On December 23 in Minsk and 24 December in Vileika
On December 23 in Minsk and 24 December in Vileika training seminars were gone on the topic: "The use of chemical substances at enterprises. Safe handling measures.".
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On December 23 in Minsk and 24 December in Vileika training seminars were gone on the topic: "The use of chemical substances at enterprises. Safe handling measures.".
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