unre - vert
- unreactive coal
- unreality of consent
- unreasonable delay
- unrecorded pollution loading
- unrecouped operation
- unrefinable poset
- unrefined copper
- unregistrable mark
- unregulated dischargee
- unregulated discharges
- unregulated river
- unrequited current transfers
- unreserved acceptance of tender terms and conditions
- unrestrained occupant
- unrestrained shell
- unrestricted (operation) scenario
- unrestricted (operation) scenario
- unrestricted extension
- unrestricted flow of the electrolyte
- UNS
- UNS number/code
- unsafe holding level
- unsafe reduction of separation
- unsafe state
- unsanded particle board
- unsatisfactory feature
- unsaturated hydraulic conductivity
- unscheduled
- unscheduled DNA synthesis
- unscheduled stoppage
- unscrambler
- unscrambler cleaner
- unscrambler operator
- unscrambling
- unscreened sewage
- unseasoned veneer
- unseeded crystallization
- unseeded crystallizer
- unseen event
- unsensitive detonator
