{HEAD ~ Said tank} has {TAIL ~ an internal float} which, according to the level of the collected product, operates a cable which is connected to the funnel platform buoys to ensure that it is at times underwater and at others above the water level, thereby preventing the tank from filling completely 
has
{ HEAD ~ Said tank } has { TAIL ~ an internal float } which , according to the level of the collected product , operates a cable which is connected to the funnel platform buoys to ensure that it is at times underwater and at others above the water level , thereby preventing the tank from filling completely
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH