However, the majority of the class was dedicated to equipment, safety measures, and knot tying. In all honesty, the class should have been called knot tying 101.

然而课上的大部分时间都是在专门用于装备，估计安全系数，以及打结练习。

youdao

Our team building events provide top class entertainment using only the best equipment and as a responsible activity provider, health and safety is a major priority.

凭借最优质的设施设备及极具责任心的活动培训员，我们提供了最棒的团队建设活动。 除此，客户的健康及安全是我们首要的关注。

youdao

The class 1 equipment is very important in the nuclear device, in the design and testing process required to carry out their stress and strain analysis, so as to ensure their safety.

一级设备在核设备中非常重要，在该设备的设计和调试的过程中需要对其进行应力与应变分析，从而确保其安全性。

youdao

As part of my job, I reported alarming inadequacies: in one case high-grade equipment (ASME III, class 1) was operated in nuclear power reactors with no accepted safety file, regardless of a previous accident and a half-dozen failures in achieving acceptable design results.

BBC: Can nuclear power ever be safe?