1. Roj leaks tej zaum yuav ua rau lub emission ntawm hydrogen sulfide, characterized los ntawm ib tug odor resembling tias rotten qe;
2. Thaum shutting tawm cov roj valve, observe the gas meter’s red box to check for any movement in the numbers;
3. Applying a solution of soap or laundry detergent mixed with water to the gas pipes can reveal leaks through bubble formation;
4. The installation of a professional gas detector ensures automatic alerts in the event of a gas leak.