{HEAD ~ A preferred embodiment} of this aspect of the present invention comprises first rendering {TAIL ~ the surface} of the equipment water wettable by contacting the said equipment surfaces with a sulfur trioxide containing fluid and thereafter rinsing the surface with an aqueous alkaline liquid 
comprises rendering
{ HEAD ~ A preferred embodiment } of this aspect of the present invention comprises first rendering { TAIL ~ the surface } of the equipment water wettable by contacting the said equipment surfaces with a sulfur trioxide containing fluid and thereafter rinsing the surface with an aqueous alkaline liquid
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL OTH REL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH