total hydrocarbon content - tripod-mounted magnetometer
- trainroad
- tram
- tram car
- tram road
- tram rope
- tram shackle
- tramcar
- trammer
- trammer boss
- tramming
- tramming boy
- tramming drift
- tramming level
- tramp
- tramp-iron detection
- tramp-iron magnetic separator
- tramroad
- tramway
- transceiver
- transconductance
- transcrescent
- transcribing
- transcurrent fault
- transducer
- transect
- transection glacier
- transection-type glacier
- transfer
- transfer bin
- transfer bridge
- transfer bunker
- transfer chute
- transfer conveyer
- transfer gantry
- transfer length
- transfer of spores
- transfer raise
- transfer station
- transfer surge conveyer
- transfluence