Answer: “Some of our friends in the French countryside have children and pets but no air conditioning. To keep their kids and pets out of or in specific rooms while still being able to hear them, communicate with them, and keep an eye on them, they use ‘Dutch’ doors. These doors are divided horizontally into two parts that can be opened separately, allowing for ventilation while keeping children and pets safe and secure in designated areas.”
it's definitely an egg separator. You crack the egg into the cup, pour the white out and the yolk remains in the cup.
This one not but wouldn't be too sure about that glass plug ????
It's the location of the manholes/wells/valves.
the center of the T-shaped groove represents your location, so for the top sign, there's a valve 0.8 meters left, and 11.2 meters behind you.
It´s a Sanistand type female urinal.