This clip shows research and development being carried out as well as automatic nailing machines being assembled and operated. WS of EXT and INT of a research and development company. MS of man trying to improve performance and appearance of movie projector. MS of two men talking. CU of drawings and caliper on a desk. MS of man using older style electric hammer. CU of man rotating tip manually. CU of newer style electric hammer. MS of hammer being used without needing to manually rotate tip. MS of three men sitting around a image on a table while one writes on the drawing. CU of an image of an automatic nailing machine. MS of man pulling away transparency of a drawing and men pointing and writing on it. MS of a man holding up an image of a machine towards the camera. WS of men assembling nailing machines. MS of men placing and positioning nail machines. MS of man using nailing machine on wood. CU of how nail is embedded in wood. MS of a man using the nail machine to put heels on a shoe.