☆Ububanzi bembobo Φ22
☆Umzimba webhokisi wenziwe ngepulasitiki yobunjiniyela engagqwali
☆ Isetshenziswa kuphethiloli, embonini yamakhemikhali, i-metallurgy kanye nezinye izikhathi zothuli oluphezulu, i-asidi ebuthakathaka kanye ne-alkali ebuthakathaka ebolile