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 .