I used the 10th edition for this past April Exam. I would probably borrow one from someone, or just do a quick comparison with someone who has the 12th edition. The only thing that I noticed from 10 to 11th is that they added some Construction material.Is there any major difference between 11th and 12th editions of CERM book. I have 11th edition,do i need to take 12 th edition, Appreciate your reply
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