. AbstractsProject to use media and in car brake systems, acquisition of the project information using population. , and by purposive sampling. Students of Department of mechanical field work vehicles.Vocational certificateThe 50. Analysis of the project, using the score percentage score (x ̅) and standard deviation (S.D.) showed that the mostly male, aged between 15-17 years. Most of the time and lower education level vocational education have scores at the high level. มีคะ 3 average score.The average 63 (x ̅) was the most factor is in a very high level. The average (x ̅) 4.25 the values that are average. (x ̅), second is the process at a high level. The average 3.65 and the score (x ̅) as the third. The results are in the medium level มีค่าคะแนนเฉลี่ย (x ̅) 3.00 respectively shown on table 4.7 in preparation of brake system. It can be effectively used and ready to be used as medium of instruction as well. Can be used to develop and use, as well as
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