疲劳是一个无可避免的老化的过程，但是像开口和接头这样的薄弱的部位可以使用胶粘剂粘合来代替铆钉和螺栓，并且用大的板材来铸造机翼。
Fatigue is an aging process that cannot be avoided, but weak points such as holes and joins can be reduced by using adhesives instead of rivets and bolts, and by casting wing skins in gigantic panels.
操作机器或设备，焊接，螺栓，螺钉或铆钉金属零件。
Operate machines or equipment which weld, solder, bolt, screw or rivet metal parts together.
与加热形成乙烯基需要铆钉不同的是，你要将乙烯基从螺栓上移除。
Instead of heating and forming the vinyl like you would a rivet, you want to remove the vinyl over the bolt.
应用推荐