Ithebula le-1.Pointer, inkomba yokugeleza / inkomba yengcindezi ephansi / inkomba yokuntuleka kwamanzi.
I-2.Imodi yokulawula ukugeleza: Ukuqala kokulawula okubili kokugeleza nokuma, ukulawulwa kwesiqalo sokushintsha kokucindezela.
Imodi yokulawula ukucindezela kwe-3.Imodi yokulawula ukucindezela: ukuqala nokulawula inani lokucindezela, cindezela isikhathi eside inkinobho yokuqala imizuzwana emi-5 ukuze ushintshe( inkomba yokushoda kwamanzi iqhubeka ngaphansi kwemodi yokucindezela).
I-4.Ukuvikelwa kokuntuleka kwamanzi: Uma kukhona okuncane noma kungenamanzi endaweni yokungena, ukucindezela ku-tube kungaphansi kwenani lokuqala futhi akukho ukugeleza, kuzongena esimweni sokuvikela sokushoda kwamanzi nokuvala ngemva kwemizuzwana engu-8.
5.Umsebenzi wokunqanda ukunamathela: Uma iphampu ingenzi lutho amahora angama-24, izosebenza imizuzwana emi-5 uma kwenzeka isixhumi semoto sibanjwa nokugqwala.
I-6.I-angle yokukhuphuka: Ayinamkhawulo, ingafakwa kuwo wonke ama-engeli.