one- - over
- ore preparation
- ore preparation characteristics
- ore process
- ore processing
- ore pulp
- ore reserve
- ore resource
- ore roasting
- ore rock
- ore roughing
- ore sample
- ore sampling
- ore separation
- ore separator
- ore ship
- ore shipment
- ore slime
- ore sludge
- ore slurry
- ore stock yard
- ore storage bin
- ore testing
- ore transfercar
- ore trench
- ore trestle
- ore value
- ore washing
- ore-bearing
- ore-benefication plant
- ore-blending plant
- ore-boat unloader
- ore-boat wharf
- ore-breaker plant
- ore-bridge track
- ore-concentration plant
- ore-conditioning plant
- ore-delivery track
- ore-dressing plant
- ore-drying plant
- ore-grain release