However, in deeper water a greater clearance, say 12 ft, must be allowed and the trim of the dredging craft by the stern must be increased as much as safety will permit.
Nakuba, kumanzi anzulu isithuba esikhulu, ukuthi ishumi elinambini iinyawo mazivunyelwe kwakunye nokuchetywa kwenqwelo yokugutyula ngomva wenqanawa makunyuswe njengokuba ukhuseleko lunokuvumela.