This part of the process would involve putting the plastic material into a highly acidic solution.

这一部分过程包括将塑料放入强酸性溶剂中。

Nelson mixes shredded plastic waste materials with sand under high temperatures to mold the inexpensive building bricks.

纳尔逊将粉碎的塑料废料与高温下的沙子混合，以塑造廉价的建筑砖。

The ubiquitous shopping bag is just one example of the million things we use made from this useful material, plastic.

我们所使用的数百万件东西都是由这种有用的原材料——塑料制成的，而无处不在的购物袋只是其中之一。

They're made out of harder material – plastic – and are sometimes smaller, but that isn't always true.

它们由更硬的材料（塑料）制成， 有时更小，但并非总是如此。

Before being treated, Bioscope mechanically separates out plastics and fibreglass, the base material on which the circuits are built.

在进行处理之前， Bioscope 先用机械方法分离出塑料和玻璃纤维，即制造电路的基本材料。

The pen works for itself, and acts like a hand, modelling the plastic material over and over again to the form that suits it best.

这支笔自己工作，就像一只手，一遍又一遍地将塑料材料塑造成最适合它的形状。

The problem with cartons and plastic pouches is that they are made of a mix of materials – plastic with either card or foil – and they can't be recycled back into their original components.

纸盒和塑料袋的问题在于它们由混合材料制成——塑料与卡片或箔纸——并且它们无法回收成它们的原始组件。