1) British invention 2) Law enforcement equipment
Found on
https://www.crosswordclues.com/clue/smartwater
SmartWater is a traceable liquid and proprietary forensic asset marking system that is applied to personal, commercial, and industrial items of value to deter theft and to identify culprits for prosecution. The non-hazardous liquid leaves a long lasting and unique identifier that is invisible to the naked eye except under an ultraviolet black ligh...
Found on
http://en.wikipedia.org/wiki/SmartWater
No exact match found.
