90 - Tekanyo ea Elbow Ferrule e fana ka litharollo tse phethahetseng bakeng sa libaka tse thata le sebopeho se rarahaneng. Khokahano ena e ataletsoeng e thusa liphetoho tse ntle tsa tataiso ea librication mela e felletseng ea ho phalla le khatello ea maikutlo. Moralo o momahane o thusa ho tsamaea ka thata ho potoloha litšitiso le likarolo tsa lisebelisoa ntle le ho seha ts'ebetso ea sistimi ea ho seha mokhoa. E loketseng Mechine e nang le tlholeho e lekantsoeng, sena se tiisa hore ho na le lijo tse tšepahalang tsa lubrication e tšepahalang le maemong a thata ka ho kenya.