Ka lilemo tse nang le boiphihlelo ba ho etsa lihlahisoa tse nkehang ka lihlahla tse nkehang , rang marang - ka lihlahla tse nkehang ka . moroto li ka etsa hore re be le litšebeletso tsa tse nkehang ka marang-rang . Ntle le lenane la sehlahisoa ka tlase, u ka etsa lethathamo la lihlahlobi tsa hau tse ikhethang tsa moroto ho latela litlhoko tsa hau tse khethehileng.