The research vessel "Duplus", built in HoIland in 1969, has two torpedo-shaped underwater hulls on which rest very slender columns that support the platform.
Inqanawa yophengululo i``Duphu'', eyenziwa eHolani ngo1969, ineziqu ezibini zangaphantsi kwamanzi ezibunjwe okwembumbulu ende enkulu apho kuhlala khona iintsika ezinciphileyo ezixhasa iqonga.