塑料是一种不易破损的材料。
守门员在躯干和肩膀上使用保护垫，并且带有手套用于前臂的保护，由不易破损的透明材料做成网格或者面具头盔。
Goalkeepers use protective padding on the torso and shouldersand gloves with forearm protection, as well as a helmet with either a grid or a mask made of unbreakable transparent material.
本实用新型具有过滤层不易发生变形和破损、强度高、使用寿命长、结构合理的优点。
The cartridge filter has the advantages that the filtering layer is uneasy to be distorted and damaged, the intensity is high, the service life is long, and the structure is reasonable.
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