Mapompu ghakupambanapambana gha mapaipi ghakugwiriskirika nchito mu vigaŵa vyakupambanapambana, ndipo ntheura ghakupambana pakugwiliskira nchito pakati pa mapampu ghakunjilirapo ghapasi-, ghakufumiramo ghapachanya-ghakufumiramo, na mapampu ghakunjilirapo ghapasi-ghakufumiramo ghapasi.
Mapompu ghakunjilirapo ghapasi-, ghakufumapo ghapachanya-ghakwenelera kunyamura maji kufuma ku malo ghapasi kuya ku malo ghapachanya, kutali na malo ghakwambilira. Kweniso, mapampu ghapachanya-inlet, low-outlet ghakwenelera kunyamura maji kufuma ku malo ghapachanya, kutali na malo ghakwambilira, kuya ku malo ghapasi.