The best way to learn proper English is to read news report, and watch news on TV. Watching TV shows is a great way to learn casual English, slang words, understand culture reference and humor. If you have already watched these shows then you may recall the words used in the following dialogs.

but the spools look a lot
like the 63-37 TIN to lead--
The Big Bang Theory Season 9, Episode 19

Just rattling a little TIN cup
to the entire world.
Breaking Bad Season 2, Episode 12

So, we have plenty of
the 60-40 TIN to lead ratio solder,
The Big Bang Theory Season 9, Episode 19

I have to buy that
stupid collector's TIN.
The Big Bang Theory Season 5, Episode 10

expansion pack in the signed
and numbered collector's TIN.
The Big Bang Theory Season 5, Episode 10