求翻译：通过进行现场作业与作业观察，发现作业现场存在的七大浪费与不安全因素等，从而进行问题分析，思考出对策，进行对策实施，提高作业现场五大任务（安全、品质、成本、纳期、士气）.是什么意思？

Site operations and work through observation, that the existence of the seven job site waste and insecurity, so as to carry out problem analysis, thinking out measures for the implementation of countermeasures to improve the job site five tasks (safety, quality, cost, delivery time, morale).

Through a combination of on-site operations and operational observations on-site presence operations and found that the 7 largest waste and insecurity, and thus carried out an analysis of the problems, such as the countermeasures, and carry out measures reflect on implementation and enhance the scen

Through carries on the field operation and the work observation, discovers the work scene existence seven big wastes with the safety factor and so on, thus carries on the problem analysis, pondered the countermeasure, carries on the countermeasure implementation, enhances the work scene five big dut

正在翻译，请等待...

Site operations and work through observation, that the existence of the seven job site waste and insecurity, so as to carry out problem analysis, thinking out measures for the implementation of countermeasures to improve the job site five tasks (safety, quality, cost, delivery time, morale).