As the water level falls the crews should take care that their catamarans do not ground on the propellers, propeller shafts or dock altars.
Njengokuba umthamo wamanzi usihla abasebenzi benqanawa kufuneka baqinisekise ukuba izikhitshane zabo azitshonisi isixhobo esiqhubela phambili okanye umphini.