... systems, alkaline agent systems, tri-color wax system, spot-free systems, which can be operated unattended. The fully automatic ... tri-color→ hi-pressure wash→ spray wax→ spray spot-free Technical Data ModelBD-WS600Machine size(L×W×H) 7500 ×4380 ... wayUndercarriage +Presoak+Hi-Pressure+Tri-Color Wax+Wax+Spot Free+LED Screen InstructionsDetection Photoelectric switch and sonar probe automatically detect ...