The discharge end of the teat cup may be fitted with a shut off valve which can be actuated to prevent ingress of treatment and cleansing {HEAD ~ fluids} into the milk tubes during {TAIL ~ the treatment} and cleansing cycle 
The discharge end of the teat cup may be fitted with a shut off valve which can be actuated to prevent ingress of treatment and cleansing { HEAD ~ fluids } into the milk tubes during { TAIL ~ the treatment } and cleansing cycle
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 OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH