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