Shots of man welding magnesium extrusions with heliarc weld, other man testing weld, trying without success to separate magnesium sections. Shot of two men entering library, FOLLOW SHOT of woman librarian guiding one of the men to card index. Shots of man weighing pulley casting as other man looks on. CS of broken casting on floor, DOLLY OUT to woman taking photograph with studio camera. MS of technicians at work on cameras in photographic sample preparation room. Front MS of middle-aged man studying technical catalogue. MS of middle-aged man entering office, being greeted by other man. MS of woman librarian taking out index cards from filing cabinet, middle-aged man looking at them. Front MS of group of men discussing plans around table at board meeting. CS of man talking in meeting, TILT DOWN to sketch of modern factory. Shot of two rows of books shelves in library.