They were made from hard plastics and that's why they were very breakable.
它们的制作材料是硬塑料，这就是它们极其易碎的原因。
The other types of plastic are less likely to be collected and recycled, although that is slowly changing and some cities, such as San Francisco, take all hard plastics.
其它类型塑料被收集、回收的可能性较小，不过这个情况正在慢慢地改变，像三藩市这样的一些城市回收所有（类型）硬塑料。
As well as being ideal for Magnets, it will also bond Glass, Rubber, Ceramics, Wood, Metal, Leather, most Hard Plastics, Fabric, Cardboard, Chipboard, Dry Concrete and Masonry.
除了作为理想的磁铁，它也将债券玻璃，橡胶，陶瓷，木材，金属，皮革，最硬质塑料，织物，纸板，纤维板，清水混凝土和砖石。
Design methods and test process of nozzle closure made of hard foamed plastics for SRM are introduced.
介绍了固体火箭发动机喷管硬质泡沫塑料堵盖的设计方法与试验过程。
The lining process of handmade glass fibre reinforced plastics is finished and the quality is hard to control.
玻璃钢衬里施工一直以手糊法为主进行，因而施工质量难以保证。
Swogger, who earlier was Dow's vice President of performance plastics and chemicals, thinks modern America needs a dose of the hard work and determination of the man from Belgium.
斯沃格原为陶氏公司高性能塑料与化学品的副总裁。他认为当代美国需要一打辛勤工作、来自比利时的人。
BPA is a key ingredient in hard, clear polycarbonate plastics used in numerous products, including CDs, DVDs, sports bottles and reusable food and drink containers.
BPA的规章程序。BPA是坚固明亮的聚碳酸酯塑料中的主要成分，这些塑料被制成很多产品，如；
Suitable for smashing all kinds of soft, hard and formed plastics.
适用于破碎各种软硬和泡沫塑料。
Suitable for smashing all kinds of soft, hard and formed plastics.
适用于破碎各种软硬和泡沫塑料。
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