クレジット表記
SuperStock / サイネットフォト
タイトル
RADON, CHEMICAL ELEMENT NUMBER 86, A COLORLESS, ODERLESS, TASTELESS, RADIOACTIVE GAS. IT CAN COLLECT IN HOUSES AND CAUSE CANCER, SO DETECTION IS IMPORTANT.
キーワード
RADON, CHEMICAL ELEMENT NUMBER 86, A COLORLESS, ODERLESS, TASTELESS, RADIOACTIVE GAS. IT CAN COLLECT IN HOUSES AND CAUSE CANCER, SO DETECTION IS IMPORTANT.