Mitengo yodziwika bwino pamsika wapamalo idakwera kukwera sabata ino.Ndi mphamvu zamakono zamitengo yamtengo wapatali komanso magwiridwe antchito am'tsogolo a disk, magwiridwe antchito amsika amsika adakwera pang'ono.Komabe, chifukwa cha kuchulukira kwapang'onopang'ono pamsika wamakono, kukwera kwamitengo yamitundu ina kumakhala kochepa.

Pazonse, mitengo yamsika yazitsulo zam'nyumba idakwera kwambiri sabata ino.Pakadali pano, kuchuluka kwakukula kwamakampani omwe akutsatira zitsulo akadali ochepa, ndipo kukakamizidwa pazida zamsika ndizochepa.Kuonjezera apo, ponena za kufunikira, kufunikira kwa msika wakumpoto kukupitirirabe kuchepa pakapita nthawi, koma ma unit terminals kumadera akum'mwera ali mu nthawi yochepa, kotero kuti chiwerengero chonsecho sichidzachepa kwambiri pakapita nthawi.Kumbali ina, mitengo yosungiramo nyengo yozizira yamitundu yodziwika bwino ndiyotsika, kotero osewera amsika amakhala osamala ndipo asayerekeze kukwera mwachangu.Nthawi zambiri akuti mitengo yamsika yamsika yam'nyumba ikhoza kukhala yosasunthika komanso yolimba sabata yamawa.