1-Water Vacuum Cleaner,Tank Cleaning Equipment 2- Muti-Function to ... vehicle and Pneumatic pipe clean device.Options: Highway Railings Washing, Spraying for Adding Humidity and Reducing Dust, Low & ... Flat high water flow washing, Noise Barrier washing, Road spray, Right & Left Washing Flowers , Lift Shaft, Snow Blade, Front ... Max Speed (km/h) 90 Water Vacuum Cleaner,Tank Cleaning Equipment