... applications, projectiles in the missile weapons, armor piercing ammunition, hunting pellets, prefabricated fragments, the missile weapons, armor piercing ammunition ... : small size with high density (typically the density is 16.5 g / cm 3 to 18.50 g / ... golf club, Pinewood Derby car, fishing weights, Medical Instruments, hunting gun’s bullets’ balls; ballast for motorboat, sailboat, submarine; ...