求翻译：1. 所有起重机械操作人员应经过公司培训。额定起重量大于或等于1t， 且提升高度大于或等于2m 的起重机属特种设备，起重机械操作工、信号工及司索工需持证上岗是什么意思？

All lifting machinery operators should be subject to corporate training. Rated lifting weight greater than or equal to 1t, and the lifting height is greater than or equal to 2m crane is a special equipment, lifting machinery operators, signal work, and the Secretary for cable work required the permi

1) * All crane operators should go through corporate training. Rated weight greater than or equal to 1T, and raising height greater than or equal to 2 m of crane is a special equipment, crane operator, signal workers and for workers to work with Certificate

1. All hoisting machinery operator should train after the company.The fixed lifting capacity is bigger than or is equal to 1t, also the height of lift is bigger than or was equal to 2m the hoist crane is the special equipment, the hoisting machinery operator, the signalman and Si Suogong must hold t

1. all lifting operations personnel should undergo company training. Rated capacity is greater than or equal to 1T and lifting height is greater than or equal to the 2m crane is a special equipment, crane operator, the Division for signal workers and rope maker need a holder

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