.From the table 4-1 general information of the respondents evaluated from the male, the 24 were 48 females were 26 people. The percentage of 52 age 20-25 years of 5 people were 10 age 26-30 years of 15 people.30 age 31-35 years of 9 people were 18 age 36-40 years of 8 people were 16 อายุระ between 41-45 years. The 8 people were 16 older than 45 years of 5 people were 10 diploma level courses were 7 people.14 Diploma of 12 people were 24 degree of 16 people were 32 the master's degree level. The 12 people were 24 degree of 3 people per cent.6 the General Administration of 12 people were 24 parts to fix the big factory. The 9 people were 18 and technical engineers. The 6 people. The percentage of 12 and maintenance of control system 7 people were 14 parts maintenance electrical system.9 people were part of 18 maintenance mechanical 7 people were 14
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