Permissible Exposure Limit
permissible exposure level
picture element
Personal Exposure Limit
Precision Elastic Limit
power electronics
Probable Effect Level
Productivity Enhancement Laboratories
Aeropelican Air Services
Paid Educational Leave
Pak Elektron Limited
Peak of Eternal Light
Pectate lyase
peritoneal exudate CTL
peritoneal exudate lymphocyte
peritoneal exudate lymphocytes
Permissable Exposure Level
permissible exposure levels
Permissible Exposure Limits
Personnel Exposure Limit
Personnel Exposure Limits
photo-electron layer
Physics Express Letters
piezoelectric lithotripsy
Post Event Log
Post-graduate Education Loan
potential energy landscape
Potential Evasion Locale
Preliminary Effluent Limits
present education level