... floor ,wax,spray grinding maintenance,and carpet nursing together Multi-functional Brushing Machine FC-1517Clean hard floor ,wax, spray grinding maintenance, ... and overload.2 .Water tank, low gravity design,which use more easily.3.Overhead type power button to prevent accidental ... power cord in one-off.5. Demountable batholith which can use in step or corner.Accessories:Water tank ,Pad Drive, ...