Coal mining technology has evolved significantly over the years, focusing on improving efficiency, safety, and the longevity of mining equipment. Recent research has concentrated on various ...
The excavator broke chunks of coal from an underground ... a similar project to douse an underground fire at the Lewis Coal Mine fire off Cherryvale Road in unincorporated Boulder County.
The Indian Navy team is fully equipped and carrying specialised equipment such as deep diving ... continue to be trapped in the inundated coal mine at 3 Kilo, Umrangso, in Dima Hasao.