申論題

一、Please translate the following paragraphs into Chinese.

(二) In addition to the periodical surveys, occasional surveys of damages and repairs are carried out. Such structural damages and deteriorations imply deficiencies including material wastage, fractures and deformations caused by excessive corrosion, design faults, material defects or bad workmanship, navigation in extreme weather conditions, loading and unloading operations, water ballast exchange at sea, wear and tear and contact.