Materials solely carried to improve the trim and the stability of the vessel. In vessels usually water is carried as ballast in tanks, specially designed for that purpose
Sabelatrans Shipping Global SSG(Specialized in Shipping/Transportation of Heavy Lift, RoRo & Project forwarding by Sea , Air & Land), Shipping Terms, Ajman, UAE 2013. http://www.sabelatrans.com/shipping_terms.htm, (Log - Brit) {1030}