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Generally, if the water of the mini car is not clean, more or less part of it will be left. The lower bottom of the water tank generally has a water discharge switch, which can be unscrewed. Some engines also have a water drain switch on the lower left side of the fuselage, (usually a 14 nut).
If there is no running water after unscrewing, you can poke it with a screwdriver (it may be clogged with water rust).
There are many ways to use this method, depending on how skillfully you apply it.
Possible. 1).This is because the inlet pipe of your toilet is clogged, which is why this whistle sounds. >>>More
The squatting pit is not equipped with a water trap.
Or buy a re-install one with a trap, but the pit will be higher than the ground. >>>More
In the train toilet, you can see a button or a handle or something like a knob when you squat down and look up, and you can hear the rumbling sound when you press the button or break the handle, and the excrement can be washed down and discharged along the track with the force of the train, which is naturally purified.
The phenomenon of water droplets appearing on the water tank generally refers to cold water, and when the temperature is high, the temperature outside the water tank is higher than the temperature inside the water tank, resulting in water droplets. >>>More