trip - ultr
- tuyamunite
- tuyere
- tweezers
- twin
- twin air lock
- twin axis
- twin bogie locomotive
- twin boom drill rig
- twin boom pinning machine
- twin boundary
- twin cable
- twin centre strand chain configuration
- twin conductor
- twin cord
- twin core cable
- twin crystal
- twin crystals
- twin cylinder drilling engine
- twin drift
- twin drive
- twin entry
- twin entry system
- twin fault
- twin formation
- twin hose
- twin in-board assembly
- twin in-board chain
- twin in-board conveyer
- twin intensifier
- twin interface
- twin law
- twin machine face
- twin mine
- twin nucleation
- twin of cube's penetration
- twin outboard chain
- twin outboard chain arrangement
- twin outboard long strand chain
- twin outboard short strand chain
- twin pipeline
