Armor vests, armor helmets, protective clothing sets, armor shields.

装甲背心、装甲头盔、防护服、装甲护板。

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Police, dressed in helmets and protective clothing, smashed their way into Mr Ahmad's home just after 0500.

BBC: Police officers 'attacked' terror suspect Babar Ahmad

After the city's car culture created a smog problem, scientists started researching protective helmets to protect people.

CNN: China needs smog-free air in a can

Examine helmets and other protective gear to see if better equipment is necessary.

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