Membrane e sa keneleng metsi le e phefumolohang bakeng sa Lerako la marulelo

Boleng bo botle haholo, ts'ebeletso e phethahetseng, lipalangoang tse bonolo, sistimi ea thepa e hlakileng le e nakong, e le hore lihlahisoa li koahele liprofinse tsohle, bomasepala le libaka tse ikemetseng ho pholletsa le naha, tse sebelisoang haholo maboteng a likharetene, meaho ea tšepe, meaho ea lepolanka, matlo a matle, joalo-joalo, le ho romelloa kantle ho naha ho ea Europe, Amerika, Afrika, Russia, Australia, Japane, Asia Boroa-bochabela le linaheng tse ling.