but there is nothing wrong if we want to be specific about it, isn't that right? to say that the piece of metal has been processed once then refined four times actually gives me a better idea of the procedure it went through, rather than just knowing that it was refined five times to reach maximal purity or whatever it is?

shouldn't we be specific about taking down notes in this context and similar situations?

isn't it "not just me who thinks" instead of "not just me who think"
taken into consideration that the word after "who" should end with 's'

anyone?

*english is not my native language so I would like to find out the answer for this