Opened in 1990, the Metinvest coal mine is the biggest in Ukraine and one of the crusial factories for Pokrovsk, biggest employer and economic driver of the city and region. Up to 7000 people worked here before the war and around 4500 now. The mine producing the coke coal, specific coal essencial for steel production. If Russians will occupy or destroy the mine, it will create big problems for Ukrainian aconomy. To see how the mine works, we got up to the 800 meters deep tunnels and walked more then 4 km to the nearest coal-reach ground place,
Mixing up C and S, leaving out articles, confusion of simple present and present progressive tenses. Hmm these are common English errors Russian speakers make.