دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the relation of a prover or a transducer calibration, through a step-bystep process, to an instrument or group of instruments calibrated and certified by a national or international primary standard.

the ability to trace the components of a product through out the supply and manufacturing system from raw material to finished and installed product.