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