TV series example of the word

The Big Bang Theory Season 7, Episode 15
It came free with a full tank of gas.

The Big Bang Theory Season 2, Episode 5
Let's see. Bradley tank. Transport truck. Batmobile.

The Big Bang Theory Season 12, Episode 19
Oh, uh, how about a sensory deprivation tank?

The Big Bang Theory Season 12, Episode 19
That tank was amazing.

The Big Bang Theory Season 2, Episode 22
What if we reposition the collection tank?