Can large white powder and water be evenly mixed and sprayed on furniture?

Because there are no buildings with dual water supply systems in China, because the main valve and sub-valve do not have one-way check valves, under the action of negative pressure, the polluted water will flow back into the tap water system, as you said, the water from the toilet will flow back to the kitchen faucet; However, the amount of water that is generally returned will not be very large, so turn on the tap water and put more water in it, and the water will become clear. If you don't have any worries, you can avoid this by installing an anti-backflow device on the toilet tank.

No, laundry detergent is not good for vegetables.

Yes, you can't block the bathroom when you do this. When you arrive, rinse it with water.

It is ideal, the living room can see the water and the mountains, the people are prosperous, the wealth is extensive, the living room is best not to use the mirror, you can put some plants or strange stones in the interior to accept the aura of the landscape.

Yes, and water paint is more environmentally friendly than other paints such as paint.