Ka sistimi e ntle ea boleng bo tšepahalang, bareki ba bangata ba ho ema le libaka tse tala bakeng sa mokhatlo oa rona o mongata oa Pearomia Amohela e mong oa lipotso le tse tšoenyang tsa lihlahisoa tsa rona, re ikemiselitse ho theha kamano ea khoebo e telele le uena haufinyane. Ikopanye le rona kajeno. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, America, Australia, Switzerland, Switzrella Kuala Lumpur, Switzerland Kaha ke ba sehlopha se seng se ntseng se hola, re kanna ra se khonehe, empa re leka ka matla ho ba molekane oa hau hantle.