Sign sky clouds pipe lines caution warning chemical danger day digging energy environment flammable fuel gas gasoline genesis industry meadow metal natural object offense oil oilfield outdoors outside petro petroleum pressure resources sign underground warning yellow symbol red round emergency yellow white
의 0“sign sky clouds pipe lines caution warning chemical danger day digging energy environment flammable fuel gas gasoline genesis industry meadow metal natural object offense oil oilfield outdoors outside petro petroleum pressure resources sign underground warning yellow symbol red round emergency yellow white” 제도법 을 찾았습니다.