Wiki-U
Unconfined Vapour Cloud Explosion (UVCE)
An unconfined vapor cloud explosion is an explosion following a leak of vapor that occurs in an unconfined space, outdoors. [...]
UL Standards
UL Standards are used to assess products; test components, materials, systems, and performance; and evaluate environmentally sustainable products, renewable [...]
UPS
UPS Emergency Management: Uninterrupted Power Supply