دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a written affirmation of fact made and sworn to before a notary public or other authorised official. The official signs a certificate called a jurat, which states that the affidavit was signed and sworn to before him or her.

n: an A-frame that booms out 5 to 10 feet over the side of a barge. It has a cable or chain that is lowered to pick up pipeline. A diver attaches the pipeline to the line and it is reeled in on the davit.

n: The davit or assembly pulley fixed at crown.