What are the dimensions of a box-shaped vessel?
A. Length: 50m, Beam: 12m, Draught: 3m, Free-board: 6m
B. Length: 50m, Beam: 12m, Draught: 3m, Free-board: 6m, Height of e.g. above the bottom: 4.5m
C. Length: 50m, Beam: 12m, Draught: 3m, Free-board: 6m, Height of e.g. above the bottom: 4.5m, Weight distribution: uniform
D. Length: 50m, Beam: 12m, Draught: 3m, Free-board: 6m, Height of e.g. above the bottom: 4.5m, Weight distribution: uniformly distributed throughout the length