Automated paint removal

Is this dry ice? Looks interesting.

https://l.facebook.com/l.php?u=https%3A%2F%2Fwww.instagram.com%2Freel%2FCWs-3PzAlRK%2F&h=AT1psvRWwv4-o_08nsssuj-kXq09vjAffibBKE_lEUiWzaZIaX2NRcs0EBdNAQIBPgzpayUzD9egRCxS4jGeMu8dEDoGtiA_u-HluoaYiC27JG4uvu-9zbX8pPT43qzPkUt30n2WZ_W4&s=1

IDK, intriguing though

I think maybe it’s this?

https://p2infohouse.org/ref/10/09444.htm