if one small accident one small crack for example in tank of an oil tanker not contained and confined it may result the  vabrations from rue seas or to
If one small accident, one small crack, for example, in the tank of an oil tanker, is not contained and confined, it may result, in the event of vibrations from rough seas or difficulties in decanting the cargo to another vessel, in a huge ecological disaster if there is no refuge where appropriate measures can be taken.
If one small accident, one small crack, for example, in tank of an oil tanker, not contained and confined, it may result, the of vibrations from rough seas or decanting the cargo to another vessel, in a huge ecological disaster if there no refuge where appropriate can be taken.