Ol i save brukim ol 'ball joints' i go long tupela kain bihainim ol wok bilong ol na ol 'structural characteristics' bilong ol: ol 'rotating ball joints' na ol 'fixed ball joints'.
Ol 'Rotating Ball Joints'
Ol 'rotating ball joints' i larim rotesen muvmen insait long wanpela mak namel long tupela samting we i konektim. Ol dispela join i save gat bikpela 'spherical contact area', we i save tilim gut ol hevi na daunim hevi bilong hevi. Ol i save yusim planti 'rotary ball joints' long ol masin, ol 'robotic joints', na ol narapela wok we i nidim wok planti taim.
Ol 'Fixed Ball Joints'
Ol i save yusim ol 'fixed ball joints' long konektim ol samting we i no wokabaut, na dispela i save givim strong long sakim taim bilong paitim na guria. Ol i save wokim long ol strongpela samting, na ol i save karim bikpela hevi na i no inap senis. Ol 'fixed ball joints' i save mekim bikpela wok long 'aerospace', wokim ol bris, wok bilong wokim haus, na ol narapela wok.