To make a removable spring shock device projects. The aim is to create a removable device to shock spring artifacts. In order to facilitate the change of shock to learn cracking service performance.The device disconnect spring shock to learn problems and obstacles in the operation.Which samples are the garage and by the tools used in the study of groups, for example: queries and information supplied by the statistical analysis, quantitative description. Trial use and satisfaction of the garages have found that the device disconnect spring shock has a good level of satisfaction and work quickly with a good level of satisfaction. Use the force less than a steel spring, shock and embrace the majority found that the device is removable spring on cho's neck.
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