1. the breeding of insects and disease vectors, waste material waste ......... There is increasing as is the source of the pathogen, the flies are coming.
1. Is the breeding of insects. And carriers of disease.. Waste materials, waste volumes are increasing all the time. The sources of infection To fly over
1. As a breeding of insects and carrier of the disease... Waste, scrap materials, waste volume increased every moment is a source of infection to fly in.