
He's working on a paper
about nano VACUUM tubes,
The Big Bang Theory Season 7, Episode 7

...out of our VACUUM cleaner.
The Big Bang Theory Season 8, Episode 23

This nano VACUUM tube idea of
yours is really interesting.
The Big Bang Theory Season 7, Episode 7

Dave, I found six VACUUM cleaner
repair shops in your area.
The Big Bang Theory Season 5, Episode 14

through the cryocooler
or through the VACUUM filter.
The Big Bang Theory Season 10, Episode 20