PRESS-TYPE FOAM PROPORTION MIXING DEVICE SPUME RATIO MIXING DEVICE MOBILE FOAM FIRE EXTINGUISHING UNIT WATER FILM FOAMITE DISSOLVING PROOF FOAMITE ANTI-DISSOLVING WATER-FORMED FILM FOAM FIRE EXTINGUISHING AG FOAM HYDRANT CASE LIQUID UPPER INJECTION AIR FOAM GENERATOR AQUEOUS FILM-FORMING FOAM LIQUID DISSOLUTION RESISTANCE AQUEOUS FILM-FORMING LIQUID TUNNEL FOAM FIRE-HYDRANT CABINET DIAPHRAGM TYPE STOCK TANK PRESSURE FOAM MIXING ARRANGEMENT FOAM SPRAYING AUTOMATIC FIRE-EXTINGUISHING SYSTEM OUTDOOR FOAM HYDRANT BRANCH PIPE AND DISCHARGE NOZZLE HORIZONTAL FOAM TANK FIRE-FIGHTING FOAM TANK VERTICAL TYPE SPUME POT TRAMMER TYPE SPUME POT PRESSURE TYPE FIRE CONTROL SPUME POT FIRE CONTROL FOAM LIQUID FOAM FIRE-FIGHTING MEDICAMENT FOAM EXTINGUISHER DISSOLUTION RESISTANCE FOAM SOLUTION