In-port movements of the lighters are effected by tugs or towboats driven by diesel engines or steam turbines.
Kumazibko enqanawa iintshukumo zeenqanawa ezinceda iinqanawa ezingakwaziyo ukungena ezibukweni ziphazanyiswa zizithuthi ezitsala ngamandla okanye izikhitshane ezitsalayo eziqhutywa ngenjini yedizili okanye umoya wesitimu