Li-screws tsa ho tiisa, tse tsejoang hape ka hore ke li-self-sealing screws kapa li-fasteners tse tiisang, ke likaroloana tse khethehileng tsa screw tse etselitsoeng ho fana ka tiiso e sireletsehileng le e sa luleng lits'ebetsong tse fapaneng tsa indasteri le tsa mochini. Li-screw tsena li na le moralo o ikhethileng o kenyelletsang ntho e koalang, hangata e le O-ring kapa washer e tsitsitseng, e kopantsoeng le sebopeho sa screw. Ha sekoti se tiisitsoeng se tlameletsoe sebakeng, ntho e koalang e etsa tiiso e tiileng pakeng tsa screw le bokaholimo ba ho nyalana, e thibelang ho feta ha maro, likhase kapa litšila.