The same applies to the fin which encompasses the conning tower, periscope brackets, the bridge and other fittings, and this structure has to be sufficiently high and spacious to permit navigation on the surface in adverse weather.
Okufanaye kuyenzeka kwiphike eliquke isakhiwe esikhulu kwinkwili, izibiyeli zombhobho wekubena bhulorho nezinye izifakelo, kwaye esi sakhiwe kufuneka sibephezulu nyokwaneleyo, sibenesithuba esikhulu ukuvumela ukughuba inqanawo mgaphezu kwamanzi kwimezule embi.