CAPE selling outdoor fitness equipment outdoor fitness equipment hzchamp.com Specifications: seesaw Brand: Cape Item: KP-283 Material: Steel Origin: Hangzhou [professional outdoor fitness equipment products PRINCIPLE Recruitment Agents use of leverage, people seesaw The pressure is the driving force and resistance from the people to the seesaw of fixed points are arm. Acceleration of gravity led to one last look, the higher the acceleration of gravity is greater than the low person, so the higher decline, while the role of leverage in the lower of tilt, and so on. Cape Top recommended: outdoor sports equipment fitness equipment hzchamp.com/products-detail.asp?cpid=770 hzchamp.com/products-detail.asp?cpid=768