With a propulsion power of 1.5 to 4 kW per ton of displacement they are relatively much more powerful than normal cargo ships, for which the corresponding figure is 0.3 to 1.2 kW.
Ngenkqubela phambili yamandla angange 1,5 ukuya ku 4 kw ngetoni enye yoshenxiso xa zithelekiswa zinamandla kakhulu kuneenqanawa zomthwalo oqhelekileyo lo ungqamana nenani elingu 0,3 ukuya 1,2 kw.