Now all the e-bike riders in Ningbo must wear helmets while riding.

如今宁波所有骑电动自行车的人都必须戴头盔。

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We need to stress not only the effectiveness of helmets in saving lives, but the fact that helmet programmes are good value for money.

我们必须不仅强调头盔在拯救生命方面的效果，而且强调这一事实，即头盔规划物有所值。

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She celebrates seat belts and car seats and bike helmets and all the rational advances in child safety.

对于座椅安全带、车上座椅、自行车头盔和其他所有促进儿童安全的合理进步，她都赞成。

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The microphones previously used in the helmets of racecar drivers picked up too much engine roar and not enough of the driver's speech.

FORBES: Racecar Drivers To Use Bell Labs Microphone

Researchers are now putting sensors in the helmets of young players to analyze how many hits they take during football games and how forceful they are.

WSJ: Super Bowl XLVII: The Football Nanny State

More recently, we played a key role in supporting the U.N. intervention - again, Blue Helmets in the Congo - and we paid 25 percent of the bill.

NPR: U.S. Non-Intervention In Syria Could Mirror Outcome In Congo