Isu Nyanzvi mukuvandudza uye kugadzira screws, nzungu, bhaudhi, otomatiki kutendeuka, shafts uye akasarudzika-akaumbwa fasteners.Masimbi edu esimbi anoshandiswa zvakanyanya munharembozha, makomputa, maprinta, midziyo yemumba, nharembozha, komputa yekufungidzira michina, nezvimwe.