EXTREMELY FLAMMABLE. May be fatal or cause blindness if swallowed. Inhalation of Vapor May Cause Death. Skin and eye irritant. Keep away from sparks, heat and flames. May be fatal if used in enclosed and unventilated areas. Use outdoors if possible. If you must use indoors, open all windows and outside doors, use only with moving fresh air cross ventilation over the work area and across floor. Vapors flow along floors, under doors and may ignite explosively. Do not smoke. Before use shut off electricity to all outlets, switches, fans, motors, tools, stoves, heaters and appliances. Do not use to strip bathtubs