Toyota's US sales bounced back in March as substantial discounts helped to win back customers who had been shaken by the firm's mass safety recalls.

丰田汽车三月份在美国的销售量有反弹趋势，大量的优惠活动重新赢得了被大规模召回活动所动摇的顾…

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Dairy products whose mass safety is related to human body health by people for good reputation "approaching consummate food, most" even life is safe.

乳制品被人们美誉为“最接近完美的食品”，其质量安全关乎人体健康乃至生命安全。

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Excessively skinny models have been a point of controversy for decades, and two researchers say a model's body mass should be a workplace health and safety issue.

几十年来，过瘦的模特一直是争议的焦点，两名研究人员表示，模特的体重应该是职场的健康和安全问题。

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As such, the Mass Transit Railway (MTR) added platform safety doors to all of its 84 stations, finishing the multi-year construction project in 2011.

BBC: Subway systems by the numbers

The same qualities of size, mass and high stance that give truck drivers a sense of safety and security actually create serious challenges.

FORBES: The Most Dangerous Trucks of 2011

Some other mass-market brands also have their equivalent, like the Toyota Safety Connect system.

FORBES: Luxury-Car Tech Helped Catch Boston Bombing Suspects; Your Chevy Probably Has It, Too