To securely fasten the cargo to the portable D-ring six lines of steel chains with a capacity of 20T were used These chains were positioned at an angle of 45-90 degrees in relation to the athwart

To securely fasten the cargo to the portable D-ring, six steel chains with a capacity of 20T were utilized. These chains were positioned at an angle of 45-90 degrees in relation to the athwartship direction. Moreover, on the opposite side, six steel chains of the same specifications were directly attached to the other cargo in a transverse manner. The cargo in the middle was connected with both side cargos using six lines of steel chain on each side, in a transverse direction.