{TAIL ~ The floor care apparatus} 12, wherein {HEAD ~ the pressure sensors} sense one of air pressure and force pressure 
{ TAIL ~ The floor care apparatus } 12 , wherein { HEAD ~ the pressure sensors } sense one of air pressure and force pressure
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH