The Disclosure relates to {HEAD ~ the field} of {TAIL ~ cleaning devices} for removing contamination from a surface 
of
The Disclosure relates to { HEAD ~ the field } of { TAIL ~ cleaning devices } for removing contamination from a surface
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH