25 Evaluate the advantages and disadvantages of each type of treatment for protecting the bottom of the ship from rusting. Explain how attaching blocks of magnesium helps to prevent rusting. The quality of written communication will be assessed in your answer to this question. .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... .......................................................................................................................................................... ..................................................................................................................................................... [6]
Š OCR 2015
Turn over