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UFL - Upper Flammable Limit

The concentration of flammable gas in air at atmospheric pressure above which combustion will not occur.
The figure is expressed as a percentage by volume.
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The United Kingdom Atomic Energy Authority (UKAEA) was incorporated as a statutory corporation in 1954.
Pioneered the development of nuclear energy in the UK.
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United Kingdom Continental Shelf

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United Kingdom Offshore Operators Association (UKOOA) is the representative organisation for the UK offshore oil and gas industry.
Its members are companies licensed by the UK Government to explore for and produce oil and gas in UK waters.
Further Reading


UL - Underwriters Laboratories

North American based independent not-for-profit product-safety testing and certification organisation.

Further Reading



Flexible cables carrying electrical and instrument wiring; hydraulic tubing and chemical tubing.

Further Reading



Uninterruptible Power Supply
A UPS sits between a power source and a device (e.g. a computer) to prevent undesired features of the power source (outages; surges etc.) adversely affecting the performance of the device.
Further Reading



Generic term that includes oil and gas production facilities; pipelines; gas processing and liquefied natural gas production facilities and receiving terminals.
Can be on or offshore based.
Further Reading



US Gallons Per Day

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