Working Rationale
Drop Test------Electromagnetic absorption and release, completed imitate free drop, from requested height to drop the surface of product, in order to test the durability.
Arm Tes------Use the two fixtures which fix to the two air cylinders to imitate the two hands to compress to chair arm. Set up the requested angle and force to the appropriate position of arm in order to test the durability.
Unite Test----More air cylinders provide the force to testing sample in accordance with the stated time sequence and force value to evaluate the durability.
Multi-Test-----In accordance with the different requirments, only change the force, angle and position and so on, in order to test the different product.