Joli-sira-kurunw bɛ Kɛ ka caya ji-silindaw la, foroko-masinw na, jɔli-masinw na, otomatiki-minɛnw na, mobili-sɔgɔli-minɛnw na, ani ji-masinw na. Joli-sira-kurunw ye sɛrɛkiliw ye minnu bɛ Kɛ ni sɛrɛkiliw ye, minnu bɛ Kɛ kɔnɔna ni kɛnɛma-bololankolonw ye ni sɛrɛkili sliding contact surfaces ye. Ka kɛɲɛ n’u jɔcogo n’u suguya ye, u bɛ se ka doni girinmanw, doni girinmanw, walima doni radiyali ni aksidanw fara ɲɔgɔn kan.
Sɛrɛkiliw bɛ se ka kɛ ni sɛrɛkiliw ye minnu bɛ kɛ ni jiribolo ye ani u bɛ kɛ ni jiribolo ye min bɛ se ka wuli. Ka fara o kan, joli-sira-funu fanba bɛ baara kɛ ni furakɛli kɛrɛnkɛrɛnnenw ye i n’a fɔ fositɛri, galon, walima chrome plating, walima kɛnɛma sliding surface lining, inserts, walima spray coatings. O bεnkanw bε doni seko ni bεεta bεε la. U fana ye corrosion- resistant, wear- resistant, self{5}}aligning, ani lubricate well walima u ye self{6}}Lubricating, free ye. U bɛ baara kɛcogo ɲuman fana mara hali ni u ma bɛn. O la, joli-sira-kurunw bɛ baara kɛ kosɛbɛ ni - teliya jiginni, jiginni ani jiginni lamagacogo ye.
