An International Tonnage Certificate will be issued to a vessel when it meets several requirements，one of which is that the vessel must （）.

（）is issued under the provision of International Convention for the Prevention of Pollution from Ships，1973，as modified by the Protocol of 1978 relating thereto.

A vessel used for international service shall possess （）valid for duration of charter party showing winches and derricks in order.

The loadline certificate of a Chinese ship is issued by （）.

Allowance for fresh water for all freeboards other than timber 25mm. This wording is likely to appear in （）.

A vessel’s Derat Certificate is always issued by （）.

Which certificate is always issued by the China Classification Society（）.

（）the vessel have no safety radiotelegraphy certificate at the time of her delivery,she （） be held to be unseaworthy.

（）of this Deratting Exemption Certificate is hereby extended until 4th Oct.2007 as the vessel is laden with cargo.

The official identification of a vessel is found in the （）.