Various shots of men at work on tail of Douglas DC-4 in factory, of man installing control cable of tail inside fuselage, of men riveting fuselage. Various shots of men at work in noses of planes on assembly line. Shots of two electricians wiring interior of DC-4 cabin. Shot of three men testing wheel of aircraft, retracting wheel into aircraft. Shots of general activity in factory, workers working on various aircraft components. MS of two workers riveting fuselage.