lifting pin


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lewis

lewis
Any of several metal devices used in hoisting stone blocks, columns, or other heavy masonry units; consists of a dovetailed tenon, made in sections, which is fitted into a dovetailed recess cut in the masonry unit.
References in periodicals archive ?
Determining that the traditional method of laying down the pipe and fabricating the bend from the middle would be time-consuming and difficult due to product scale--and compounded by hauling and trailer-securement challenges--they chose to leave the pipe in the standing position and fabricate the bend from the top, just below the lifting pins.