SCIENCE AND EDUCATION FILM: Single power production line in roadway tunneling
Related Video
00:27:15
00:24:59
00:24:59
00:25:02
00:24:59
SCIENCE AND EDUCATION FILM: Single power production line in roadway tunneling
Industry
Length:
00:19:50
Date:
Collection
Keywords:
Coal Mining | Miners | Coal Mining Machinery | Roadway Tunneling | Coal Industry |
This film focuses on the single power production line in coal mining in the 1980s. Miners used electric hammer drill, climbing bucket loader, borehole perforation apparatus, gas alarm and power interruption instrument and electric pulp distributor to tunnel roadway.