Amapayipi ensimbi angenamthungo agingqiwe ashisayo asongwa ngaphezu kwezinga lokushisa elicwebezelayo.Uma kuqhathaniswa namapayipi ensimbi agoqelwe abandayo, ububanzi bamapayipi ensimbi ashisayo bukhulu, intengo iphansi, futhi ukunemba kungaphansi kancane kunamapayipi ensimbi abandayo.Amapayipi angenamthungo agoqelwe ngokushisa ahlukaniswe amapayipi ensimbi ajwayelekile, amapayipi ensimbi anomfutho ophansi naphakathi, amapayipi ensimbi anomfutho ophakeme, amapayipi ensimbi yengxubevange, amapayipi ensimbi engagqwali, amapayipi aqhekeka kaphethiloli, amapayipi ensimbi ye-geological kanye namanye amapayipi ensimbi.
