Isigubhu sensimbi engagqwali esiyindilinga sokugaya senziwa ngokuphelele ngensimbi engagqwali. Ihlanganiswe nokugaya, ukususa uthuli, ukulawula izinga lokushisa okuzenzakalelayo, nokulawula umswakama. Inemisebenzi yokulungisa isivinini sokuguqula imvamisa, ukulawulwa okuzenzakalelayo / okwenziwa ngesandla kokugijima ngaphambili nangemuva, ukuma, ukufafaza ngenkungu, ukondla izinto ezibonakalayo, ukuthuthukiswa kwezinga lokushisa / ukwehla, umswakama okhulayo / uyancipha, isivinini sokujikeleza kokulawula izinombolo, ukuma endaweni, ukuqala okuguquguqukayo nokuhlehlisa ukubhuleka, kanye nokubambezeleka kokuqala nokuma kwesikhathi, i-alamu yesibali sikhathi, ukuvikelwa ephutheni, ukwethusa kusengaphambili ukuphepha, njll.