REL Technology Abbreviation

Recommended Exposure Limit

Recommended Exposure Limits

Reference Emission Level

Runway Edge Lights

Are provided for a runway intended for use at night or for a precision approach runway intended for use by day or night. Runway edge lights shall be fixed lights showing variable white, except that: in the case of a displaced threshold, the lights between the beginning of the runway and the displaced threshold shall show red in the approach direction; and a section of the lights 600m or one-third of the runway length, whichever is the less, at the remote end of the runway from the end at which the take-off run is started, may show yellow.

Radiation Evaluation Loop

Reaction Engines Limited

Reaction Engines Ltd

Reactor Equipment Limited

Release

To set free In engineering, is applied to the moment when steam is first allowed to escape from cylinder, in ship's business, means a discharge from a contracted undertaking To release a ship is to withdraw all opposition to her sailing or movement To release cargo is to authorise its removal from ship