Ihotele ibisoloko iyiyunithi ephambili yokuthintela umlilo, kwaye kubaluleke kakhulu ukwenza umsebenzi olungileyo wokuthintela umlilo wangaphakathi. Iingcango zomlilo wehotele kufuneka zixhotyiswe kwizinyuko zokuphuma, igumbi lokuhambisa amandla, kunye nombhobho kakuhle. Iingcango zomlilo wehotele kufuneka zibe kwibakala A, oko kukuthi, iingcango zentsimbi zebakala A.