Solution:Occupational diseases are usually caused due to the presence of industrial poisonous and non-poisonous dust, particles and elements in the working environment of the factories and as also, due to poor physical conditions in the factories.
When the employees inhale or touch or come into contact with such dust or particles, etc., they enter into their bodies and affect their respiratory system, digestion, kidneys, heart, lungs, etc. and cause a number of occupational diseases, as listed below:
1. Phosphorous poisoning: Phosphorous usually enters into the body in the form of fumes (especially in factories manu-facturing explosives, etc.) and affect bones adversely..
2. Manganese poisoning: It is usually caused among manganese miners and results in inflammation of lungs.
3. Lead poisoning: It is usually caused among compositors, cable-makers, pointers, lead pipe-makers, etc. Inhalation of the fumes or dust containing lead particles causes stomach problems, vomiting, nausea, headache, anemia, joint pains, etc.
4. Mercury poisoning: Workers working in medical and scientific goods manu-facturing organisation or engaged in gold and silver refining, etc. usually, fall victim to mercury poisoning. Continuous inhalation of mercury may cause brain problems or skin diseases.
5. Anthrax: This is more common among tannery workers and wool carpet industry.
6. Bagassosis: Employees working in paper board mills using bagasse as their raw material usually fall victim to such diseases.
7. Silicosis: It is usually detected among workers of potteries, ceramics, slate, pencil and such other occupations. Inhaling dust containing silica particles affects lungs and causes respiratory and many other serious problems.
Besides the above, there are many other occupational diseases like byssinosis (among textile workers), telegraphists cramp (among telegraphists), asbestosis (among workers making asbestos mattresses) caisson disease, coal miners' pneumoconiosis, arsenic poisoning, benzene poisoning, toxic jaundice, toxic anemia, occupational cataract, loss of hearing, etc.