The use rate is more than 60%. Although it is used in small rooms, it is often used for interior decoration due to its good granite color such as red and green. Experts advise that after the renovation of the house, it is advisable to do a test on natural marble. It is necessary to take measures to reduce pollution by reducing pollution. The half-life of radon gas is only 3.2 days. The indoor radon concentration can be reduced to outdoor level after 20 to 30 minutes after the door is opened. Therefore, the easiest way is to increase ventilation. The newly renovated room is best to be tested. If the test results are not qualified, you can use radiation-reducing paint or install lead-free protective plates to prevent the release of cesium from building materials. If the radioactive index is too high, the stone must be replaced immediately.
The use rate of the industry exceeds 60%. Although it is used in small rooms, it is often used for interior decoration because of its good granite color such as red and green. Experts advise that after the renovation of the house, it is advisable to do a test on natural marble. It is necessary to take measures to reduce pollution by reducing pollution. The half-life of radon gas is only 3.2 days. The indoor radon concentration can be reduced to outdoor level after 20 to 30 minutes after the door is opened. Therefore, the easiest way is to increase ventilation. The newly renovated room is best to be tested. If the test results are not qualified, you can use radiation-reducing paint or install lead-free protective plates to prevent the release of cesium from building materials. If the radioactive index is too high, the stone must be replaced immediately.
The use rate of the industry exceeds 60%. Although it is used in small rooms, it is often used for interior decoration because of its good granite color such as red and green. Experts advise that after the renovation of the house, it is advisable to do a test on natural marble. It is necessary to take measures to reduce pollution by reducing pollution. The half-life of radon gas is only 3.2 days. The indoor radon concentration can be reduced to outdoor level after 20 to 30 minutes after the door is opened. Therefore, the easiest way is to increase ventilation. The newly renovated room is best to be tested. If the test results are not qualified, you can use radiation-reducing paint or install lead-free protective plates to prevent the release of cesium from building materials. If the radioactive index is too high, the stone must be replaced immediately.
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