| fall zone(expression, geology, place, area, border) |
| geological boundary(expression, geology, area, line, border) |
| line of waterfalls(expression, line, water, course, equipment) |
| waterfall line(expression, geology, area, line, zone) |
| geological border(expression, geology, area, line, border) |
| hoisting line(expression, line, course, equipment, gear) |
| natural downhill course(expression, nature, line, course, equipment) |
| imaginary line(expression, geology, area, line, zone) |
| raising sling(expression, line, course, equipment, gear) |
| pit rope(expression, line, course, equipment, gear) |
| winding rope(expression, line, course, equipment, gear) |
| geomorphologic break(expression, geology, place, area, border) |
| lift cable(expression, line, course, equipment, gear) |
| load line(expression, line, course, equipment, gear) |
| drill line(expression, line, course, equipment, gear) |
| elevator cable(expression, line, course, equipment, gear) |
| elevator rope(expression, line, course, equipment, gear) |
| fall rope(expression, line, course, equipment, gear) |
| hauling rope(expression, line, course, equipment, gear) |
| hoist cable(expression, line, course, equipment, gear) |