Since up to now no single submarine cargo vessel exists in the world's merchant fleet it might be permissible to wonder whether this type of ship is in fact of economic interest.
Kude kwangoku akukho nkwili yanqanawa yokuthutha umthwalo ekhoyo kumkhosi weenqanawa worhwebo wamazwe kuvumelekile ukucingela ukuba ngaba oluhlobo lwenqanawa ingaba linomtsalane kuqoqosho.