id	keyword
fumecheng-7786	weight
fumecheng-7786	design
fumecheng-7786	aluminum
fumecheng-7786	composite
fumecheng-7786	layers
fumecheng-7786	equipment
fumecheng-7786	steel
fumecheng-7786	gym
fumecheng-7786	fig
fumecheng-7786	stress
fumecheng-7786	material
fumecheng-7786	strength
fumecheng-7786	metal