Letter: L

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Low-pressure turbine (LPT)

One of four major rotating sections in an aeroderivative engine, the LPT takes the cooler, lower pressure exhaust, driving the fan and low-pressure compressor (LPC). The other three sections include the LPC, high-pressure compressor (HPC), and high-pressure turbine (HPT).

Low-pressure compressor (LPC)

One of four major rotating sections in an aeroderivative engine, the LPC provides initial, large-volume compression, driven by the low-pressure turbine (LPT) on the outer shaft. The other three sections include the LPT, high-pressure compressor (HPC), and high-pressure turbine (HPT).

Limited notice to proceed (LNTP)

Authorization for a contractor to begin pre-construction activities on a project before full funding or approval to prevent delays and reduce risks.