{HEAD ~ The oil collecting stage} comprises {TAIL ~ at least one platform} holding a funnel in the center to collect mixture of the oil and water on the surface of the sea and to introduce them to the submerged first tank through a first flexible tubular pipe 
{ HEAD ~ The oil collecting stage } comprises { TAIL ~ at least one platform } holding a funnel in the center to collect mixture of the oil and water on the surface of the sea and to introduce them to the submerged first tank through a first flexible tubular pipe
HEAD 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 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