Uhlaka lomnyango, uhlaka lweqabunga lomnyango kanye nephaneli leqabunga lomnyango zenziwe ngezinto zensimbi zeminyango yomlilo. Uma iqabunga lomnyango ligcwele izinto ezibonakalayo, kufanele ligcwaliswe ngezinto ezingezona ezinobuthi nezingenabungozi zomlilo kanye nezinto ezivimbela ukushisa. Ukuvalwa komlilo okungenamlilo kwenziwa lapho kuhlangana khona iqabunga lomnyango kanye nohlaka lomnyango lomnyango ongashi futhi eduze kwengilazi engashi, okuthuthukisa kakhulu ukusebenza komlilo.