Pali - Language code (ETLW)
Pall Corp. - NYSE symbol (SAG)
Pallet - Building construction
Papers on Language and Literature: A Journal for Scholars and Critics of Language and Literature - A publication (ANEX)
Parts Load List (MCD)
Passenger Legal Liability - Insurance (AIA)
Peripheral Light Loss
Permanent Logical Link - Telecommunications
Phase-Locked Loop - Computer science (GART)
Pilgrim Lacrosse League (PSS)
Plasma Lockload (AAEL)
Plymouth & Lincoln - Federal Railroad Administration identification code
Polo, IL - Location identifier - FAA (FAAL)
Poly-L-lysine - Also, PL - Biochemistry
Positive Logic Level
Posterior Longitudinal Ligament - Medicine (MELL)
Prelinked Library (SAUS)
Prescribed Load List - Vehicle maintenance operation - Army
Pressure Length Loop (DB)
Prince Line Ltd. - Steamship (MHDW)
Program Load Limit (SAUS)
Prolymphocytic Leukemia - Also, PL - Oncology
Pseudoalcoholic Liver Lesions - Medicine
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