isofoam contour

例句：

1. 1. The foam plastic was so light thatit floated on the surface of thewater.
   泡沫塑料非常轻，浮在水面上。
2. 2. The foamplastic is used in many products, such as toys and packaging.
   泡沫塑料被用于许多产品中，如玩具和包装。
3. 3. The foam plastic is easy toclean and recycle, making it apopular choice for environmentally conscious consumers.
   泡沫塑料易于清洁和回收，这使得它成为环保意识强的消费者的首选。