外墙清洗条件和安全操作规程：External wall cleaning conditi** and safety operation procedures:1、气候条件:外墙清洗必须要在良好的气候条件下进行,风力应小于4级,4级以上停止工作.因此,工作前应测定风力,尤其是高空风力.另外,下雨、下雪、有雾、能见度差以及高温(35℃以上)和低温(0℃以下)等条件下都不适合进行外墙清洗.1. Climate conditi**: the exterior wall cleaning must be carried out under good climate conditi**, the wind force should be less than level 4, and stop working above level 4. Therefore, the wind force should be measured before work, especially the high-altitude wind force. In addition, it is not suitable f