The oil is separated from the ice by vibrating {HEAD ~ the inclined surface} formed by {TAIL ~ the bar screen}  
The oil is separated from the ice by vibrating { HEAD ~ the inclined surface } formed by { TAIL ~ the bar screen }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH