一想到手的安全，首先要自问一级防护措施实施的如何，如：计划、程序、围栏、操作步骤等。
When we think of hand safety, we must first ask ourselves what primary level of protection is in place, such as plans, procedures, physical barriers, and work practices.
着重分析了面对名种职业危害，制订的有效防护措施，指出焊接操作人员应加强自身安全防护，以避免身体的损害。
It analyzes in detail the effective protection against the career disbenifit, and points out that welders should strengthen their own protection to avoid physical damage.
乙方应参加上述培训并须自觉遵守和执行甲方的安全卫生操作规程和职业病防护措施，进行生产和工作。
Party B shall take part in the training above consciously, and work with observing and implementing the Party safety operational procedures and occupational disease protective measures.
操作系统的类型信息对于研究针对计算机网络的入侵行为和安全防护措施是非常重要的。
Information of OS types is very important to the research on intrusion behaviors against computer networks.
操作系统的类型信息对于研究针对计算机网络的入侵行为和安全防护措施是非常重要的。
Information of OS types is very important to the research on intrusion behaviors against computer networks.
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