Ka hona radius e khethiloeng ea ester e ka ba ea bohlokoa haholo. Mofuta o mong oa liqha li fokotsa liqhomane. Ka mofuta ona oa liqha, karolo ea radien-mohala oa setsi sa setereke e lekana halofo ea boholo ba boholo ba pheletso e kholo. Ho fokotsa marapo hape, boloka phetoho ea hona joale ea ho phalla ha liphaephe tsa lipeipi. Ho feta moo, phetoho ea 180 * e ka lokisoa ka ho sebelisa mofuta o itseng oa ho fokotsa seqha se bitsoang verbow e bitsoang verthew.