Sababaha leben silica loo isticmaalo foornooyinka kookaha

1. Dhammaan tilmaamayaasha lebennada silica waxay la socdaan shuruudaha isticmaalka foornooyinka kookaha.

2. Isticmaalka leben silica waxay kor u qaadi kartaa nolosha adeegga foornada kookaha.

3. Soo gaabin wakhtiga wax karinta ee foornada kookaha.

4. Leben Silica waxay ku habboon yihiin inay ka shaqeeyaan jawi heerkul sare ah oo muddo dheer ah, iyo qaybaha foornooyinka kookaha ee lebennada silica laga dhisay waxay buuxiyeen shuruudahan.

5. Qiimaha leben silica ayaa aad u macquul ah.