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1、升降貨梯http://m.meiants.cn/進行外墻清洗時必須要在良好的氣候條件下進行，風力應小于4級，4級以上停止工作。因此，工作前應測定風力，尤其是高空風力。另外，下雨、下雪、有霧、能見度差以及高溫（35℃以上）和低溫(0℃以下)等條件下都不適合進行外墻清洗。
When cargo lifter exterior cleaning must be carried out under good weather conditions, the wind should be less than four, four more stops working. Therefore, the work should be measured before the wind, especially in high-altitude wind. In addition, rain, snow, fog, poor visibility and high temperature (35 ℃ above) and low temperature (0 ℃ below) and other conditions are not suitable for exterior cleaning.
　　
2、升降貨梯的高空操作者必須是年滿18周歲的男性公民，并經過身體檢查和安全技術培訓，經考試合格方可作業，工人上崗前不得飲酒，有感冒等身體不適癥狀就暫停高空作業。
Aerial lift freight elevator operator must be 18 years of age male citizens, and after a physical examination and safety training and pass the examination before the operation, pre-service workers not drinking, have colds and other physical symptoms to suspend high-altitude operations.
　　
3、升降貨梯http://m.meiants.cn/進行外墻清洗的設備必須處于良好的工作狀態，凡吊板有發毛、部分繩股漸裂等現象應立即更換新繩。
Cargo lifter make exterior cleaning of equipment must be in good working condition, where the hanging board has scared, some strands gradually cracking phenomenon should be immediately replaced with a new rope.