Retarding {HEAD ~ deposition} of paraffin from crude oil or natural gas with {TAIL ~ alkaline liquids} 
with
Retarding { HEAD ~ deposition } of paraffin from crude oil or natural gas with { TAIL ~ alkaline liquids }
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL