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.

An alternate and less likely interpretation
is that you could MANUFACTURE one.
The Big Bang Theory Season 1, Episode 5

Manufacture of a Schedule II
controlled substance
Breaking Bad Season 2, Episode 4

Train your own people
to MANUFACTURE large quantities
Breaking Bad Season 4, Episode 8

We can show you
how to MANUFACTURE it
Breaking Bad Season 4, Episode 8