What does an Underground Miner do?

According to people in this career, the main tasks are...

TaskImportance
Handle high voltage sources and hang electrical cables.
91%
Drive loaded shuttle cars to ramps and move controls to discharge loads into mine cars or onto conveyors.
89%
Pry off loose material from roofs and move it into the paths of machines, using crowbars.
88%
Move trailing electrical cables clear of obstructions, using rubber safety gloves.
88%
Stop gathering arms when cars are full.
87%
Control conveyors that run the entire length of shuttle cars to distribute loads as loading progresses.
85%
Observe hand signals, grade stakes, or other markings when operating machines.
85%
Examine roadway and clear obstructions from the path of travel.
85%
Drive machines into piles of material blasted from working faces.
85%
Operate levers to move conveyor booms or shovels so that mine contents such as coal, rock, and ore can be placed into cars or onto conveyors.
84%
Move mine cars into position for loading and unloading, using pinchbars inserted under car wheels to position cars under loading spouts.
83%
Clean, fuel, service, and perform safety checks on all equipment, and repair and replace parts as necessary.
83%
Advance machines to gather material and convey it into cars.
83%
Clean hoppers, and clean spillage from tracks, walks, driveways, and conveyor decking.
81%
Signal workers to move loaded cars.
80%
Oil, lubricate, and adjust conveyors, crushers, and other equipment, using hand tools and lubricating equipment.
79%
Guide and stop cars by switching, applying brakes, or placing scotches, or wooden wedges, between wheels and rails.
77%
Read written instructions or confer with supervisors about schedules and materials to be moved.
77%
Observe and record car numbers, carriers, customers, tonnages, and grades and conditions of material.
77%
Monitor loading processes to ensure that materials are loaded according to specifications.
77%
Notify switching departments to deliver specific types of cars.
74%
Inspect boarding and locking of open-top box cars and wedging of side-drop and hopper cars to prevent loss of material in transit.
71%
Maintain records of materials moved.
71%
Direct other workers to move stakes, place blocks, position anchors or cables, or move materials.
71%
Measure, weigh, or verify levels of rock, gravel, or other excavated material to prevent equipment overloads.
70%
Replace hydraulic hoses, headlight bulbs, and gathering-arm teeth.
70%
Push or ride cars down slopes, or hook cars to cables and control cable drum brakes, to ease cars down inclines.
61%
Open and close bottom doors of cars to dump contents.
58%