A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

UK Offshore Operators Association
Ultraviolet Protection
Umbilicals
Unaccepted
Uncertainty (ASTM E456)
Uncertainty Component (ASTM E456)
Undetected Fault
Uni-directional Valve
United Kingdom Accreditation Service 
Universal Serial Bus (USB)
UOE
Upper Control Limit (ASTM E456)
Upper Flammable Limit
Upper Warning Limit
Upstream Seated Valve
User Inspectorate (Art. 14)