What are the lines that running under passenger side of vehicle may contain water?

Fuel lines: Fuel lines carry gasoline from the fuel tank to the engine. They are typically made of steel or nylon and are located under the passenger side of the vehicle. Fuel lines can leak if they are damaged, which can cause a fire or fuel injection issues.

Brake lines: Brake lines carry brake fluid from the master cylinder to the brake calipers. They are typically made of steel or copper and are located under the passenger side of the vehicle. Brake lines can leak if they are damaged, which can cause the brakes to fail.

Air conditioning lines: Air conditioning lines carry refrigerant from the compressor to the evaporator. They are typically made of aluminum or copper and are located under the passenger side of the vehicle. Air conditioning lines can leak if they are damaged, which can cause the air conditioning system to stop working.