Wet and dry system concrete laying feature. By speed concrete spraying, it helps for less personel manpower, less use of compressor fuel and use of consumables with less cost. Newly developed design, special cabin for occupational health and safety. Opportunity for voiced communication with wireeless remote control system which works on the nozzle tip for pipe tearing or tuning on and off. Electrical protection system against mechanical over-forcing duing cycle alterations of motor. Toque wrenched tension rod system with less tightening from four points. On chassis or wheeled options.