20xx英文國際會議演講稿范文-資料下載頁
2025-01-12 06:50本頁面
【正文】 e LEC briefly. Maybe some of you have learned about LEC in college, it is used to assess the degree of danger when people work in potentially dangerous environment. It is a halfquantitative safety evaluation method which classifies one certain system and determine if the system is safe enough.
Then, what does each letter mean?D means danger, it shows how dangerous the system is. L means likelihood, it shows the possibility of the accident. E means the extent of exposure, it shows that how often do workers work in dangerous environment. C means consequence, it shows the severity of accidents.
Here ,it is a chart, each part is divided into several levels. Take the likelihood as an example, it has seven levels, the points range from to 10 as the possibility rising. And if the score of D is over 320,itmeans this system is extremely dangerous and cannot continue operating.
Through LEC evaluation, we can make sure if we need to rectify and reform the workplace, so that we can take some measures for safety to avoid accidents. It is easy to use and it is feasible for the situation which is lack of specific evaluation models or data.
The LEC method is widely used in various fields, such as aircraft industry, railway industry, metallurgic industry, coalmining industry and so on. The usage of LEC doesn’t have many differences. Firstly, we should select the evaluation unit, thenidentify the main danger in the unit. Next , we need to evaluate the danger by using that chart and get a conclusion .
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