Research finds that security checks on the installation of scaffolding before the training, knowledge, 15 days with a score of 59 compliance and non-compliance, the number of times a score of 91 15 day average 6 times and 9 times the standard deviation (SD) and 33.33 percent and 2.28 percent respectively, and when 66.66 security checks in 15 days, scaffolding installation. After training with 133 points, the number of compliance and non-compliance, the number of 17 times. The average number of points 13 times and 2 times the standard deviation (SD) & 86.66 percent and 1.41 percent to 13.33, respectively, also have a quiz on safety promotion training. Occupational health and the working environment of construction about scaffolding. There are number of participants a total of 10 people and the full score 10 points before the participants have an average score of 6 score standard deviation (SD) of 0.84 and 60 percent of the score, and after the participants have an average score of 7 points. The standard deviation (SD), 0.99, and 80 percent of the score to pass the criteria that you set.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)