Improved Safety: No arc chutes and enclosed vacuum interrupters with sealed contacts eliminate potential hazards resulting from exposed arcs or environmental contamination.

改善的安全：弧不滑下并且附上的真空阻碍者以被密封的联络消灭潜在危险起因于被暴露的弧或环境污染。

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If a triaxial vacuum feedthrough is unavailable, a metal safety shield should be built around the isolated BNC connection (Figure 4-18).

如果无法找到三同轴的真空接头，那么可以在绝缘的BNC连接处构建金属安全屏蔽(图4 - 18)。

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By case analyzing of reaction equipment for normal pressure and vacuum, the necessity and importance of safety design for chemical engineering equipment were discussed.

本文通过对常压与真空反应设备的案例分析，充分论证在化工设备设计时，引入安全设计这个概念的必要性。

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However, officials in the latter group are focused so narrowly on "safety" that they ignore the fact that because all drugs have side-effects, safety cannot be evaluated in a vacuum.

FORBES: Commentary

The latter group's highly narrow focus on "safety" ignores the fact that because all drugs have side-effects, safety cannot be evaluated in a vacuum but must be part of a risk-benefit judgment.

FORBES: Magazine Article