At this point, one may use device NE1 for {TAIL ~ eddy current segregation} or for sensitive metal isolation using color detection or {HEAD ~ off color detection} 
At this point , one may use device NE1 for { TAIL ~ eddy current segregation } or for sensitive metal isolation using color detection or { HEAD ~ off color detection }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD