The paint industry is constantly offering improved coatings which resist corrosion and fouling and which result in a smoother finish to the ship's hull, and this enables a (slight) reduction in the frictional resistance to be achieved.
Ushishino lwepeyinti isoloko ikhupha iipeyinti ezinokudleka okuxhathisayo ezineziphumo zokuba ibe yeyisulungekileyo kumzimba wenqanawa, kwaye le nto inceda unciphiso oluncinci kukukhuhlana okuxhathisayo kufunyanwa.