A cleaning system according to the invention is shown to comprise a pair of liquid containers 11 and 12, a mixer 13, and a constant displacement pump 14 for delivering {HEAD ~ liquid} through {TAIL ~ a conduit} 15 to a utilization nozzle or gun not shown 
through
A cleaning system according to the invention is shown to comprise a pair of liquid containers 11 and 12 , a mixer 13 , and a constant displacement pump 14 for delivering { HEAD ~ liquid } through { TAIL ~ a conduit } 15 to a utilization nozzle or gun not shown
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 OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH