Li-purfo-soo-lingral li-pulwawn li ile tsa hlahisoa ke metsamao ea motho. Mefuta e fapaneng ea boima ba boima ba 'mele e ikemetseng le e tlotsang e lebisang ka matla bakeng sa nts'etsopele ea matla le ntlafatso ea mesifa. Mochine ona o fana ka thupelo ea koetliso ea iso-lateral ka lipehelo tse ileng tsa atametsoa ka lipolanete tse peli tse fapaneng.
Lisebelisoa tsa koetliso e matlafalitsoeng e etselitsoe moahleheli ea Elite, le ba batlang ho koetlisa e le 'ngoe.
Lisebelisoa tsena li etselitsoe ho tsamaisa tsela eo 'mele o lokelang ho e tsamaisa. E hahiloe ho fana ka koetliso ea ts'ebetso ea ts'ebetso e kenang.