Operation Certificate of Special Operators, Such as Lift Operator, Electrician. Fork Lift operator, Electric welding worker, Kitchen Worker' Health Certificate, & Safety Officer Certificate Etc.
特种工上岗（如电梯工， 电工， 叉车工，电焊工， 厨工健康证， 安全主任证等）
Dynamic stability of an electric fork-lift exerts direct effects on the performance quality, efficiency and safety.
电动叉车的动态稳定性直接影响其工作质量、效率与安全。
Speed governors can make sure the operational safety of gasoline fork lift truck.
限速器可以保证汽油叉车的工作安全性。
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