- Isicelo --- Ingasetshenziswa elabhorethri yekhemistri, isikhathi eside ngokwanele ukugcina izandla nezingalo zomile lapho usebenza ngamakhemikhali echibi, ukuhlanza i-aquarium, ukulima, ukukhanda izimoto, ukuhlanza indlu, ukuwasha izitsha nokupenda.
- Kude Kwanele --- Gcina ukuhlanzwa kwamakhemikhali ezandleni nasezingalweni kahle kakhulu futhi ukhululekile ukukugqokwa.