A paint application apparatus includes a paint supply switching device , at least two paint supply containers , a paint spray nozzle , and a paint line connecting {HEAD ~ the color switching device} to {TAIL ~ the spray nozzle}  
A paint application apparatus includes a paint supply switching device , at least two paint supply containers , a paint spray nozzle , and a paint line connecting { HEAD ~ the color switching device } to { TAIL ~ the spray nozzle }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH