From the experiment, a throttle switch back and forth in a continuous cycle of test material.Until broken or missingCan be seen that the test by using a test mass kg 15.036 appears that material test pieces of material damage such that the period of slower than using a 20 kg mass because the mass, cause the voltage to the test material, at least according to go, and the result is less Stress, according to which the Stress is less, it will make the material fatigue occurs slowly, which causes the material to fracture or broken down.
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