Li-roller chain li phetha karolo ea bohlokoa liindastering tse ngata, tse kenyeletsang tlhahiso, temo le lipalangoang.Li tsebahala ka ho tšepahala, ho tšoarella le ho feto-fetoha ha maemo.Ka tloaelo, liketane tsa lirolara li sebelisetsoa ho fetisetsa matla ho tloha moqomong o mong ho ea ho o mong, ho ba etsa karolo ea bohlokoa ea ...
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