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(a) Close all windows and openings to the outside;

(b) Extinguish all unprotected unprotected fire and naked lights;

(c) Stop smoking;

(d) Stop all unessential auxiliary machinery;

(e) Avoid creating sparks.

If the vessel is stationary, all engines and auxiliary machinery shall be stopped or unplugged.

5. Paragraph 4 applies also to vessels berthed close to the dangerous area. Upon detecting a ‘Do not approach’ signal, the crew shall leave such vessels, if necessary.

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