In a method of cleaning a paint application system when switching between two different types or colors of paint, {HEAD ~ at least a predominant portion} of {TAIL ~ the first paint} remaining in a paint line is caused to flow back into its paint supply container  
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In a method of cleaning a paint application system when switching between two different types or colors of paint , { HEAD ~ at least a predominant portion } of { TAIL ~ the first paint } remaining in a paint line is caused to flow back into its paint supply container
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH