Jerin mai rarraba 3000 ya dace da babban - matsin lamba da aikace-aikacen yanayin zafin jiki mai fadi. Kowane rukunin ya ƙunshi ɗaya 'kai farantin', kai 'wutsiya farantin' da 3 zuwa 10 m playes, yawanci samar da lubrication na 3 zuwa 20 m lubrication maki 3 zuwa 20. Ana iya haɗe shi da farashin lantarki ko na pnneumatic don samar da aure - Tsarin layin lubrication. Wannan jerin abubuwan mai ba da izini a matsayin mai rarraba kwastomomi na kwastomomi daban-daban, injin tashar jiragen ruwa, ko kuma da kyau - daidai ne - ya dace da irin wannan aikace-aikace.