What are the occupational hazards?

Certain occupations may cause certain harm to human health, which is called occupational disease. For example, teachers may suffer from pharyngitis, varicose veins, etc. due to long-term talking, exposure to dust and long-term standing. Some mining workers are prone to pneumoconiosis. Any job is not easy, so what are the occupational hazards? People can learn more about this issue.

1. The main industries that produce pneumoconiosis and the symptoms after pneumoconiosis: Pneumoconiosis is the most widespread and most serious occupational disease in China. The main industries that produce dust and cause pneumoconiosis are: 1. Mining. The mining of various metals, coal mining and coal mining, as well as the mining of other non-metallic mines are the main working environments that produce pneumoconiosis. The main operations are rock drilling, blasting and pillar transportation. 2. Crushing, screening and transportation of ores in metal smelting industry. 3. Ore matching and shaping of castings, sand cleaning and blasting of castings and electric welding in machinery manufacturing industry. 4. Building materials industry, such as refractory materials: mining in glass, cement and stone production. Crushing, grinding, screening, mixing, etc. for the mining, transportation and textile of asbestos. 5. Tunneling and blasting for highway, railway, water conservancy and hydropower construction. 2. Asphalt and occupational skin diseases Asphalt dust can pollute the production environment, and vapor and dust can be inhaled through the respiratory tract and contaminate the skin, causing lesions. Workers engaged in loading, unloading and transporting asphalt may have their skin directly irritated by asphalt. 3. The incidence of occupational skin diseases in the coal mining industry is highest among coal miners, 3-4 times higher than that of other types of workers.