As an example of the latter, imagine 4g-enabled helmets that can project a building infrastructure diagram onto a firefighter's visor to help them make their way through a smoke-filled building.
2
每天都有儿童因为缺乏简单的科技而死亡，例如烟雾侦测器、脚踏车头盔、及汽车安全座位。
Every day, children die for want of simple technology such as smoke detectors, bicycle helmets, and car safety seats.
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