बेफोर खैफोदनि सिनायथियानो फोरमान गोनां होबथानाय हाबाफारिफोर जेरै पेत्रलनिफ्राय लिद एदितिबफोरखौ होखारनायाव दैदेनदों |
Recognition of these risks has led to evidence-based programmes of prevention, such as elimination of lead additives in petrol.