1, Mianchidong hopes that the aluminum factory needs a lot of physical labor in the production process, which requires employees to have a certain physical strength and needs long-term continuous labor, which will lead to fatigue and physical discomfort.

2. Mianchidong hopes that the workers in the aluminum factory need to work at high temperature, and long-term exposure to high temperature will lead to problems related to thermal stress such as physical discomfort and dehydration.

Mianchidong hopes that the aluminum factory needs to operate 24 hours a day, and employees need to work in shifts at night, which will lead to lack of sleep, disorder of biological clock, decline of physical function, and increase work challenges and physical fatigue. Mienki is a county-level city in Henan Province, China, which is located in the south of Henan Province and about 70 kilometers northeast of Luoyang City. Mianchi has a long history and is one of the famous historical and cultural cities in China.