Lubricating apparatus 1 including a manually operated valve in the pressure conduit for closing the pressure conduit to {HEAD ~ the passage} of {TAIL ~ fluid} and gas therethrough 
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Lubricating apparatus 1 including a manually operated valve in the pressure conduit for closing the pressure conduit to { HEAD ~ the passage } of { TAIL ~ fluid } and gas therethrough
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH