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powder actuated fastening tool stresses
tech.	пороховой монтажный пистолет (Yerkwantai)
powder-actuated fastening tool
construct.	строительно-монтажный пистолет (wikipedia.org); монтажный пистолет (Powder-actuated tools, also called direct fasteners and explosive actuated fastening tools, use a small, controlled explosion to drive a nail, stud, or other specialized fastener into a solid base material such as steel, concrete, or masonry.); строительный пистолет