| A) | Abutment, Agent, Amendment, Analysis, Angle, Anthracite, Anticline, Apparatus, Arch, Ash, Atmosphere, Auxiliary |
| B) | Bar, Bed, Berm, Bit, Bituminous, Blasting, Borehole, Bottom, Brattice, Breakthrough, Brittle, Brow, Btu, Bucket |
| C) | Cage, Cap, Car, Carbon, Carbon dioxide, Carry, Cave in, Cavity, Certified, Chronic, Clean air, Cleavage, Coal, Coke, Cold, Colliery, Color, Competent, Conditions, Contact, Conveyor, Courage, Crib, Crosscut, Crush, Crust, Cutter |
| D) | Danger, Dank, Dark, Deplete, Deposit, Deposits, Depth, Desire, Destruction, Detect, Detonate, Development, Direction, Disease, Distribution, Drainage, Drill, Dry, Dump, Dust |
| E) | Elevator car, Emission, Entrance, Environment, Equipment, Evaluate, Excavation, Exhaust, Exit, Explore, Explosion, Exposure |
| F) | Face, Facility, Failure, Fan, Fear, Feel, Fire, Fissure, Flame-resistant, Fracture, Fuel, Fuse |
| G) | Gas, Gear, Generations, Geologist, Girder, Governing, Ground, Gunite, Guy rope |
| H) | Hammer, Heap, Helmet, Hoist, Hole, Hopper, Horizontal, Hot, Humid, Hydraulic |
| I) | Illuminate, Impure, Incline, Inspection, Instruments |
| L) | Lamp, Laws, Legacy, Light, Lithology, Location |
| M) | Magazine, Manhole, Material, Mechanized, Medicine, Mine, Miner, Monitor, Mountain, MSHA |
| N) | Narrow, Natural, Natural, Noxious |
| P) | Particles, Passage, Penetration, Permit, Pillar, Plane, Pneumoconiosis, Power, Protection, Pulley, Pyrite |
| Q) | Quality, Quantity, Quest, Quick |
| R) | Reclaim, Reclamation, Recover, Region, Reliable, Rescue, Resources, Rock, Rocks, Roller, Rope, Royalty |
| S) | Safety, Sample, Savvy, Scaling, Scoop, Scrubber, Seam, Section, Sediment, Shaft, Shift, Shift boss, Shuttle, Signal, Slag, Slope, Sludge, Solid, Sounding, Span, Span, Spark, Standards, Steep, Strain, Strata, Stress, Structure, Sum, Support, Surface |
| T) | Team, Tension, Timber, Toil, Torque, Transfer, Transport, Treatment, Truss, Tunnel |
| U) | Underground, Unit train, Unload |
| V) | Vein, Vein, Ventilation, Vertical, Void |
| W) | Wages, Wagon, Warning, Waste, Waste, Water, Weakening, Weight, Wet, Work |
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