Ayyukan hakar ma'adinai suna nufin ayyukan hakar ma'adinai da ayyukan samarwa da ake gudanarwa a cikin ma'adinai ko wuraren hakar ma'adinai.Ayyukan hakar ma'adinai sun shafi dukkan abubuwan da suka shafi hako ma'adinai, haɓakawa, hakar ma'adinai, sarrafawa, sufuri, da dai sauransu, da nufin canza ma'adinan ƙasa ko ƙasa, yashi ko ma'adanai zuwa masu amfani ...
Kara karantawa