Indima yepleyiti yokhuseleko esezantsi yebar yangaphambili yemoto: 1, ukuthintela izinto ezincinci ukuba zingatshizi kwindawo yenjini ngexesha lokuqhuba, zibangele umonakalo kwi-injini, okanye ukubamba ipeni yeoli ye-injini xa utsala umzantsi, uchaphazela umsebenzi oqhelekileyo we-injini, ngelixa ugcina indawo ye-injini icocekile; 2.