Sentence:  After the frames and transom are set up on the jig and temporarily braced , a piece of three-inch-wide mahogany ( only widths will be given since the 13 16 - inch thickness is <WSD>used</WSD> throughout ) is butted between frames one and two below the line of the keelson . 
Meaning of the word marked with <WSD> tags:  put into service; make work or employ for a particular purpose or for its inherent or natural purpose