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