... and big (3)Economic, effective and pollution-free Size Count&Packing Absorbency φ7.6cm*1.2m 20L/B ... mines, iron and steel factory, metal processing factory, oil refineries, oil companies, shipyard, chemical, food processing plants, paper ... mill, optical fiber factory, enterprise, oil/chemical storage companies, oil refineries, oil depot, environmental cleaning companies, leakproof contractor, ...