Plant Field

 CO Common

PI Piping

AR Archietcture

EL Electrical

CV Civil & Instrument

CI Control & Instument

MP Mechincal Power Plant

SF Safety & Fire Fighting

MR Michancal Rotating

MS Michanical Stationary

HV Heating ventilation & Air Conditioning

PR Process

EM Engineering Management

EN Environment

FF Fire Fighting

NU Nuclear

PS Process Safety

QC QA & QC