Job Description:

• 1) Caulks seams between plates of boilers, tanks, pressure vessels, or ships to make them watertight: Connects airhose to caulking hammer and inserts caulking chisel in hammer socket.

• 2) Positions chisel on edge of seam and presses trigger of hammer to pound edge of overlapping plate into surface of adjoining plate to seal seam.

• 3) May use hand caulking tool to close seams.