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Systems Engineering Laboratories (also called SEL) was a manufacturer of minicomputers in Fort Lauderdale, Florida. It was one of the first 32-bit realtime computer system manufacturers. Realtime computers are used for process control and monitoring.
SelTrac is a digital railway signalling technology used to automatically control the movements of rail vehicles.It was the first fully automatic moving-block signalling system to be commercially implemented.
A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) [a] is an electrical safety device that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or current flowing to another powered conductor.
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In 2012, investigators seemingly brought long-awaited closure to one of the nation's oldest and most high-profile kidnapping cases, solving it after more than 50 years.
An inflation gauge that is closely watched by the Federal Reserve barely rose last month in a sign that price pressures cooled after two months of sharp gains. The milder inflation figures arrive ...
The expansion to the 12-team College Football Playoff could not have arrived at a better time for the CFP committee.. If you thought the committee had difficult decisions for a potential 12-team ...
A related term sealing current (aka wetting current or fritting current) is widely used in the telecommunication industry describing a small constant DC current (typically 1-20 mA) in copper wire loops in order to avoid contact oxidation of contacts and splices.