12br 12br 10Are there any mistakes? 11b 10You don't need to repeat "a day" = "producing almost 100 kg and 1 ton of coal [a day/each day]"12b 12br 12br 10Thanks in advance12br 12br 12blockquote 10 0-
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01cite10New2grammar12cite10Back in 1989 in my hometown, we had 60 to 70 miners actively mining coal and gold in the richest mines in the country, producing almost 100 kg of gold a day and 1 ton of coal a day.12br
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10Are there any mistakes? 11b10You don't need to repeat "a day" = "producing almost 100 k