1. Expected to be very effective for fire-fighting against : 1) accident of nuclear plant 2) building which is impossible to approach 3) factory made of steel panels 2. Possible to penetrate steel plate (4mm), concrete block (160mm), sandwich panel, 7 fold tempered glass (thickness 3.3cm). Also possible to both destruct and penetrate panel wall, roof. 3. Possible to carry out obstacles (about 1.5ton), if used nozzle as a transportation apparatus for heavy materials. 4. Attached wireless remote control system, and so fire-fighter can fire-fight above 80m away. 5. Attached form mixing system for the compressed air, so it is more effective for fire-fighting, especially for oil fire. 6. Possible to work by various attachments with mounting of quick-coupler.