Removable device projects spring shock. An important aim is to create a device disconnect spring shock. To facilitate service replacement shock for academic performance.Operation of the device unplug the shock spring to study the problem and obstacles in the operation.An example is the group which has garage and Service Center by using the tools in education, satisfaction of the samples include a questionnaire and analyzed with descriptive statistics. From the evaluation and satisfaction of the garage has found that the operation of the device, unplug the shock springs are a good level of satisfaction, and work quickly with the satisfaction of a good level. Use less force than a steel spring-shock and embracing most of the removable fastener, cho is in level.
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