I-1. Ukugxothwa ngokupheleleyo kwe-elektroniki ngokupheleleyo, akukho ntsebenzo ifunekayo, kwaye ixesha elide {{1}- ukugcinwa kwemeko yegama.
2. Owona mandla -} {{2} {{4} {{4} {{5} {{5} {{5} {{5} {{5}
3. Akukho sidingo sokuqhubela phambili i-nitrogen (N2) ukufikelela kumnyhadala ophantsi, iindleko eziphantsi zokusetyenziswa okwangoku zezona zisombululo gwenxa.
I-4. Yakhiwe -} Kulawulo lokufuma ukuba lithintele ukonakala komonakalo kunye nomonakalo wokuchukumisa ngengozi. Kwangelo xesha, kuphucula ukhuseleko kwaye uthintele umonakalo womntu.