To provide this protection, safety shields must be produced from special materials that are unaffected by chemicals and can tolerate exposure to various temperatures and pressures.
为了到达这个目的，安全护罩必须由特殊材料制造，这些材料不会受化学品的影响，而且可以承受在各种温度和压力下暴露。
"They're not yet up to our safety standards," says Shields.
希尔兹说：“它们还达不到我们的安全标准。”
In addition to safety glasses with side shields or goggles, a face shield helps prevent flying debris from striking your face.
除了带侧边的安全防护眼镜或护目镜之外，面罩也可以帮助防止飞溅的碎片击打到脸部。
Use the proper PPE for cylinder handling. Wear safety glasses with side shields, leather gloves, safety shoes, and other appropriate equipment.
使用用于钢瓶操作的正确的个人防护装备。穿戴带护罩的安全眼镜、皮手套、安全鞋和其它合适的装备。
Safety features such as shields or retractable needles can possibly contribute to the prevention of these injuries and it is important to evaluate their effectiveness.
配备安全性能例如护罩或回缩式针头，或许有助于预防这些针刺意外，因此评估这些功能的有效性非常重要。
Safety features such as shields or retractable needles can possibly contribute to the prevention of these injuries and it is important to evaluate their effectiveness.
配备安全性能例如护罩或回缩式针头，或许有助于预防这些针刺意外，因此评估这些功能的有效性非常重要。
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