These chemicals-widely used in the middle decades of the 20th century to manufacture electrical insulation coolants sealants and plasticisers-often ended up dumped in lakes rivers and coastal waters .

这类化学品在20世纪中期被广泛用于制造电气绝缘、冷却剂、密封剂及增塑剂等，最终被丢弃进湖泊、江河或是沿海水域。

These chemicals-widely used in the middle decades of the 20th century to manufacture electrical insulation , coolants , sealants and plasticisers-often ended up dumped in lakes , rivers and coastal waters .

在20世纪中的几十年中，这些化学物质广泛应用于制造电气绝缘物，冷却剂，密封剂和增塑剂，它的废物排污于湖泊，河流和海水中。

The compound , used inmanufacturing polycarbonate plastic and epoxy resins , is found inplastic goggles , face shields , and helmets ; baby bottles ; protectivecoatings inside metal food containers ; and composites and sealants usedin dentistry .

这种用于制造聚碳酸酯塑料和环氧树脂的化合物无处不在：塑料护目镜、面部保护罩和头盔；婴儿奶瓶；金属食品容器内的防护涂料；以及牙科用复合材料和密封剂中都有它们的踪迹。

Abstract : the characteristics , features , classification , gradation and technical requirements of building sealants are described . The function for sealing building joints is briefly analyzed , and new standards are also introduced .

文摘：概述建筑密封剂的特征、特性、分类、分级和技术要求，对建筑接缝密封设定功能进行简要分析并介绍最新标准的情况。

Manufacturing and sales of pvc-plastisols ( underbody coatings and sealants ) and water-based ink .

pvc抗石击底部涂料、pvc焊缝密封胶和水性油墨产品的生产和销售。