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纳蒂科公司在需要防锈和防污染的各种钢制圆筒形盖上使用了耐冲击的聚丙烯，从而可避免由内衬破坏所引起的污染．这种圆筒可用于化学、药物和其他工业．除了防锈和防污染外，这种轻质盖具有极好的耐冲击性．制造时，颜色还可自由选择，使各公司能以颜色标识他们装运的货物．该
Nadike Corporation uses impact-resistant polypropylene on a variety of steel cylindrical covers that require rust and stain protection to prevent contamination from damage by the liner. This cylinder can be used in chemistry, medicine and other industries. In addition to rust and pollution prevention, this lightweight cover has excellent impact resistance. When manufactured, colors are also free to choose so that companies can colorize the goods they ship. This