{HEAD ~ These herbicidal compositions} have {TAIL ~ an excellent rapid action} and exert a remarkable herbicidal effect in a small dose 
{ HEAD ~ These herbicidal compositions } have { TAIL ~ an excellent rapid action } and exert a remarkable herbicidal effect in a small dose
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH