While RAND has played a major role in keeping America safe from military attacks and nuclear catastrophes, the think tank has also left its mark on the communications industry.

当兰德在保护美国免遭军事进攻与核灾难的破坏上唱主角时，智囊团又将眼光放到了通信业。

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Mark: Well, I think it's the one that's can only be taken by tour groups because it's safe.

马克：我想应该是指出于安全考虑，旅行团能玩的高度。

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Clearly mark safe working load (SWL) on the air winch below the rig floor.

标明钻台地下气动绞车的安全工作负荷。

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You should be safe at work and Mark was very, very safety conscious.

BBC: Redditch site death was 'start of nightmare'

As we mark National Safe Boating Week, let us reflect on that important mission and resolve to do our part to ensure America's waterways are safe and secure for all.

WHITEHOUSE: The White House

The Championship outfit should have made the game safe just after the hour mark but Hal Robson-Kanu's poor touch allowed keeper Chris Day to smother the ball at his feet.

BBC: Stevenage 1-2 Reading