New nano fiber tech detects and prevents gas leaks stocking 0 26 2022.05.04 16:03 https://youtu.be/VXA2Lx26mMk + 3 가스 누출 꼼짝 마...나노 섬유로 감지와 차단까지 Prevention... people say... is better... than cure. And... that is precisely... what... a ...