1. Ifektri enamandla: yakha isithiyo somkhiqizo esiqinile
2. Ukuthembeka: nikeza izitifiketi ukuze unike amakhasimende ithemba
3. Ukumaketha ngemikhiqizo eminingi; izinhlobo ezahlukene zamakhemikhali okwelapha amanzi ongakhetha kuwo
4. Isitolo sezokuxhumana: silinde ukubonisana nawe amahora angama-24 ngosuku
Isikhathi sokuthunyelwe: Novemba-15-2024