{HEAD ~ The present invention} provides a lubricating apparatus for ball valves which ensures a constant supply of lubricant to the valve and its working parts which, consequently, reduces chances of valve seizure and {TAIL ~ damage} due to corrosion 
{ HEAD ~ The present invention } provides a lubricating apparatus for ball valves which ensures a constant supply of lubricant to the valve and its working parts which , consequently , reduces chances of valve seizure and { TAIL ~ damage } due to corrosion
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