In this clas everyone gets dehydrated with a vacuum cleaner upside down

In this peculiar scenario, everyone in the room is struggling with an inverted vacuum cleaner. Instead of sucking in the air, it seems to be blowing out a dry, hot breeze causing everyone to have dry mouths, sweat less, and feel dehydrated. The room is filled with about 20 people, all of them appearing fatigued and thirsty because of the arid air blown from the inverted vacuum cleaners they are holding. In the center of this room stands a huge industrial-size vacuum cleaner