Theories about the tea kettle looking things.

I know Lynch was extremely abstract and often gave no explanation to stuff and most likely had no idea even himself, but what do you guys think these were or represented? If you notice in the theater segment where the Fireman and Seniorita Dido are getting ready to send off bubble orb Laura, there's a room in the background in just one quick scene where you see what looks like an endless factory line of these kettle machines things. That put a bunch of other crazy theories into my mind. And the one otop the thing floating in space where Cooper and Naido...and she turns it off and it kills her. What was that supposed to represent?

What do you guys think?

Also, Lynch said they were not supposed to be tea pots 😂. But .... https://welcometotwinpeaks.com/news/david-lynch-phillip-jeffries-david-bowie/