Toilet bowl and seat sets; drying apparatus for chemical processing; recuperators for chemical processing; steamers for chemical processing; evaporators for chemical processing; distillers for chemical processing; heat exchangers for chemical processing; milk sterilizers; industrial furnaces; nuclear reactors, namely atomic piles; forage drying apparatus; industrial boilers; industrial air-conditioners; freezers and freezing machines; clothes drying machines for industrial purposes; stationary hair drying machines and apparatus for use in beauty salons and barbers' shops; commercial cookstoves and ovens; industrial dishdrying machines; dish disinfectant apparatus for industrial purposes; tap water faucets; plumbing fittings, namely pipe line cocks; water waste treatment tanks for industrial purposes; septic tanks for industrial purposes; garbage incinerators; solar water heaters; water purifying apparatus; electric lamps and lighting fixtures; gas water heaters for household use; kitchen sinks; ice chests for household purposes; ice-cooling refrigerators for household purposes; household tap-water filters; bathtubs; standing paper lanterns; portable paper lanterns; gas lamps; oil lamps; lamp chimneys; warming pans for beds; non-electric self-heating pocket warmers; hot water bottles; toilet stool units with a washing water squirter; disinfectant dispensers for toilets; toilet bowls; seats for use with Japanese style toilet bowls; waste water treatment tanks for household purposes; septic tanks for household purposes