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.

...of the quantum VACUUM has little
effect on the expansion of the universe.
The Big Bang Theory Season 4, Episode 7

...out of our VACUUM cleaner.
The Big Bang Theory Season 8, Episode 23
![[VACUUM WHlRRlNG]
[VACUUM WHlRRlNG]](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
[VACUUM WHlRRlNG]
Breaking Bad Season 4, Episode 8

or VACUUM cleaner salesman,
or bootblack.
The Big Bang Theory Season 5, Episode 6

...and maybe once a week,
run a VACUUM through this place.
The Big Bang Theory Season 4, Episode 3