Most common mode of lead poisoning-
Mode.of absorption of lead is by inhalation, ingestion and through skin.Most cases of industrial lead poisoning is due to inhalation of fumes and dust of lead or its compounds.(Ref.PARK'S textbook of preventive and social medicine 21st edition page no.748)
Ingestion
Dermally
Inhalation
Through conjunctiva
Hospital waste and disaster management, Occupational health