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