Lihokelo ke metso, liphaephe le likarolo tse sebetsang tse hokahaneng ho fihlela mosebetsi o itseng oa likarolo tse fapaneng, hangata li entsoe ka mefuta e fapaneng ea lipoleiti tse phahamisitsoeng, lithupa tse lohiloeng, li-screws tsa marang-rang tsa lipalesa, linate tsa lesale, manonyeletso a khoele, li-fasteners joalo-joalo.