A woman sitting at a desk in front of a line of tape machines of early computers. A computer typewriter typing. Various other mechanisms working in an early computer. Pan of high voltage towers, a man reading gauges in control room, water pouring out from a dam's exit chutes, metal cutting lathes at work, various large machinery at work. POV camera thru an oil refinery, various in a steel mill, pouring molten metal from crucible. Various scenes tanks, transformers, men at work at various sites in field, automatic parts of computers operating, steelworkers at construction site, a welder, automatic auto engine block machinery working, an oil field, men using hammer drills at construction site, miners exiting mine site.