Answer: "We have friends in the French countryside with kids, pets, and no AC. They use their “dutch” doors to keep kids and pets out of/in specific rooms while still being able to hear them/communicate with/keep an eye on them, and for ventilation."
I think it might be the 95th time I have seen that picture on this site, and yes, old toothbrush :)
Yeah, how could a sponge be used for RFID?
Yeah, Izi, we've been over this before.