unta - vibr
- untamped
- untapered
- untapered prop
- untapped aquifer
- untensioned grouted dowel
- untested
- untight
- untimbered
- untimbered rill
- untimbered rill method
- untimbered rill stoping
- untimbered rill system
- untoxic gold solvent
- untrained
- untravelled route
- untreated
- untreated fines
- untreated reduction plant tailings
- untreated timber
- untrimmed timber
