Back Ballast Ballast: heavy weight, often seawater, necessary for the stability and safety of a ship which is not carrying cargo. Stevedoring More about activity Related terms First Party Logistic Model (1PL) Second Party Logistic Model (2PL) Third Party Logistic Model (3PL) Fourth Party Logistic Model (4PL) Fifth Party Logistic Model (5PL)
Ballast: heavy weight, often seawater, necessary for the stability and safety of a ship which is not carrying cargo.