In China, occupational disease hazards are widespread across various industries, ranging from traditional sectors like coal mining, metallurgy, chemical engineering, and construction to emerging fields such as automobile manufacturing, pharmaceuticals, computer technology, and bioengineering. As business models and employment systems evolve, and with the growth of private enterprises, a large number of migrant workers have entered jobs that are often considered "bitter, dirty, tiring, and dangerous." As a result, these workers have become the most vulnerable group when it comes to occupational diseases.
Currently, there are over 600,000 patients suffering from pneumoconiosis in China, making it the leading occupational disease, accounting for more than 80% of all cases. Among these, coal mine-related pneumoconiosis is the most common. Prolonged exposure to mineral dust significantly impairs the respiratory system's ability to clear and defend itself, leading to weakened immunity. This makes pneumoconiosis patients more susceptible to various complications. In fact, respiratory-related issues are the primary cause of death among these patients, including conditions like tuberculosis, lung infections, and pneumothorax. Cardiovascular diseases also rank high, mainly due to chronic pulmonary heart disease.
Experts suggest that one of the main reasons for the high incidence of occupational diseases is the outdated protective equipment and insufficient safety measures. Many workers do not use proper protective gear such as masks, gloves, or eye protection, which can directly or indirectly harm their health. Additionally, some companies neglect these requirements, while employees may lack awareness or knowledge about how to protect themselves properly.
To reduce the risk, migrant workers should undergo preventive health screenings before starting any job. These checks help assess their health status, identify any occupational contraindications, and determine whether they are suitable for specific roles. This information serves as a crucial basis for employment decisions.
Before taking up a job, migrant workers should follow four key steps: signing a labor contract, undergoing pre-employment health checks, receiving occupational health training, and being provided with necessary protective equipment through labor insurance.
During the job, workers should remain vigilant by paying attention to warning signs, following safe operating procedures, using protective facilities, and consistently wearing personal protective equipment (PPE).
After leaving the job, they should follow the "four musts": properly transferring protective equipment, showering, changing out of work clothes, and maintaining their PPE to ensure continued safety.
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Miniature Parallel Valve
Miniature Parallel Valve is one kind of solenoid air valve with 1 inlet and several outlets. it can be customized to Normally Open Air Valve or Normally Closed Air Valve.
Miniature parallel valves are compact and efficient devices that are used in a variety of applications where precise control of fluid flow is required. These solenoid valves are designed with a parallel configuration, which means that the fluid flows through two or more paths at the same time. This design allows for greater control over the flow rate and pressure of the fluid, making miniature parallel valves ideal for use in applications such as medical devices, analytical instruments, and industrial automation systems.
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