Classic one is the new ones 18th am3 I think, if poly / plastic incoming yours doesn’t require to have sup bonding where as ours stat you must
This day and age you would think they would get together and have a meeting
AMD 2
Yes, hopeless isn’t it
The muppets come up with electrical changes to justify new books, exams etc and they can’t even check they are understandable or logical. And they rarely correct earlier mistakes or errors.
With the 18th edition, the printed version was slightly different to the electronic version