... that you can get with its usage are: 其他行之有效的健康好处 ， 你可以用它的用法是： Reduced aging process 减少老化过程 Improved bone density and muscle strength 改进的骨骼密度和肌肉力量 ..
Fatigueisanagingprocess that cannot be avoided, butweak points suchasholesand joins can bereduced by usingadhesivesinstead ofrivetsand bolts, andbycastingwing skins in giganticpanels.