Indima yepleyiti yokukhusela esezantsi yebar yangaphambili yemoto: 1, ukuthintela izinto ezincinci ukuba zingatshizi kwi-injini ye-injini ngexesha lokuqhuba, kubangela umonakalo kwi-injini, okanye ukuchukumisa i-oyile ye-injini xa utsala umzantsi, ochaphazela umsebenzi oqhelekileyo we-injini, ngelixa ugcina indawo ye-injini icocekile; 2.