In the method, ice is pressed under {HEAD ~ the water} along {TAIL ~ an inclined surface} formed by a bar screen or a grating 
along
In the method , ice is pressed under { HEAD ~ the water } along { TAIL ~ an inclined surface } formed by a bar screen or a grating
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH