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