National Bureau of Standards Circular, Τεύχη 463-464

accidents acid appliances avoid basement blade building Bureau of Standards burning calorimeter carbolic acid carbon monoxide cause chemicals chimney chloride chlorinated circuits Circular clothing combustible combustible materials conductors connection construction containing cord correction danger doors electric electrical conductors equipment explosion extinguisher fatalities fire hazard firestopping flame flammable floor flue fuel fuse garage gas company gases gasoline ground grounding conductor hand handling heaters heating value household ignition inches inches of mercury injury insecticides installed insulation ladder lamps light main burner matches mercury metal meter methyl chloride mixture National Bureau National Safety Council objects odor person pilot flame pipes poison portable possible precautions pressure prevent proper protection result safe safety serious skin smoke pipe Sodium silicate stairs stove suitable supply sure switch temperature tion tourniquet toys tubing usually valve vapor walls wires wood