There is a ______ act when，and only when，any extraordinary sacrifice or expenditure is intentionally and reasonably made or incurred for the common safety for the purpose of preserving from peril the property involved in a common maritime adventure．

Where temporary repairs are effected to a ship at a port of loading，call or refuge，for the common safety，or of damage caused by general average sacrifice，the cost of such repairs shall be ______ as general average．

Which statement about general average is TRUE ________．

There is a ______ act when，and only when，any extraordinary sacrifice or expenditure is intentionally and reasonably made or incurred for the common safety for the purpose of preserving from peril the property involved in a common maritime adventure．

There is a ______ when one or more vessels are towing or pushing another vessel or vessels，provided that they are all involved in commercial activities and not in a salvage operation．

No jettison of cargo shall be made fair as ______ unless such cargo is carried in accordance with the recognized custom of the trade．

The onus of proof is upon ______the party claiming in general average to show that the loss or expense claimed is properly allowable as general average．

No jettison of cargo shall be ______ as general average，unless such cargo is carried in accordance with the recognised custom of the trade．

Buoyancy is a measure of the ship's ______．

No deductions“______” shall be made from the cost of temporary repairs allowable as general average．

Where both the carrier and the actual carrier are liable for compensation，they shall ______ be liable within the scope of such liability．