The trade broadly covers food & nutrition, water sanitation, air sanitation, noise, refuse disposal, solid waste disposal, night soil disposal, liquid waste disposal, sewage disposal, burial and cremation ground and mass casualty disposal, control of biological environment, sanitation measures in fairs, festivals and natural calamities- mass casualty disposal, health statistics, public health acts, public health administration and personal hygiene. One can take employment with NDMC, Municipal Corporations, Malaria Department, Delhi Jal Board, Railways, Metro Rail, Hospitals, Hotels etc. The certificate issued by NCVT is valid for applying Govt jobs throughout India.