Exterior shots of the Sheriton Park Development Laboratory in Toronto, snow on ground. HA PANs of main room in Sheriton Park Laboratory showing various activities, technicians at work around large equipment. Several shots of fuel rod change and experimental test for nuclear reactor. Two MSs of testing remote handling equipment (mechanical arm) for use in nuclear research. Sequence of scientist operating optical comparitor showing CUs of fuel bundle, of technician's hand writing data on paper, of face of technician working and of picture seen on optical comparitor. Various shots of other tests being caried at Sheriton Park Laboratory.