دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: one of the earliest methods for bending pipe. The joint was first placed over a small bonfire and, when the heat had rendered it sufficiently malleable, it was placed against a tree and pressure was applied until the desired benk was achieved. Fire bends significantly weakened the pipe. A cold-work process is less damaging.