Must relate to customer.Be able to obtain the information required to repair customers lift.You dont got to know it all just be able to find what they need at time.IE if you cant fix it or company dont work on it who will.Rework held to a min.Self control at customers location,No flying off and telling him how big a **** he has,Dont call your stuff junk even if it is after all they own it.Be acountable for your time and actions while on or off company time,No charged for front page crime here.Be able to give a level of service that you would accept if you were the one paying for it.