Ekuphileni kwansuku zonke, sivame ukubona imikhiqizo eminingi yamakhemikhali yansuku zonke izosebenzisa ukupakishwa kwepulasitiki. Ngokupakishwa kwamabhodlela epulasitiki, manje asinakho nje kuphela ukukhetha okuningi ngesitayela, kodwa futhi sinokuningi nokukhetha ...
Funda kabanzi