My firm has ballast 4.0 book (review manual and sample problems)
Is there any material that compares Ballast 4.0 against 5.0 and tells you which chapters in 4.0 book to use for PcM? I learnt from other threads that 5.0 book is basically a re-arrangement of 4.0 but not quite sure where to look at.
Many many thanks!
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