Mochini oa ho etsa liporo ke sesebelisoa sa tlhahiso se sebelisetsoang ho etsa liporo kapa litselana tsa lits'ebetso tsa terene.Mochini o sebelisa letoto la lirolara ho kobeha le ho etsa khoele ea tšepe ka har'a boholo bo lakatsehang ba pina le sebopeho ka ho nepahala ho phahameng le ho tsitsa.Mokhoa ona o kenyelletsa ho fepa tšepe e sephara ka letoto la lirolara tse etsang butle-butle tšepe hore e be profil e batloang.Liporo tse hlahisoang li sebelisoa mekhoeng e fapaneng ea lipalangoang, ho kenyeletsoa metro, literene le literempe.
Na u batla mokhoa o ka tšeptjoang le o theko e boima oa ho hlahisa likarolo tsa terene tsa boleng bo holimo?Mechini ea rona ea ho etsa roll orbital e fana ka tharollo e phethahetseng.Thepa ea rona e etselitsoe ho etsa likarolo ka matla, ho tšoarella le ho tsitsa ho fihlela litlhoko tsa merero ea lipalangoang tsa boholo bohle.