Областная экологическая акция “Живи, лес“
МБОУ ООШ № 12 , директор Карташова З.В, г. Мариинск, Кемеровская область
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![🔥 Изменения в области охраны труда с года [Запись вебинара]](https://sun9-78.userapi.com/N3oC8c3C3WfeKZfPgcRQxdwWMnHrlOUGFhhn4Q/Qo_CPSPbRQw.jpg)
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