Human factors:
Even in the same environment, engaging in the same kind of production labor, everyone has a great chance of causing occupational diseases. It is related to the following factors:
(1) Genetic factors. For people with certain genetic diseases, people with allergies are vulnerable to harmful substances.
(2) Age and gender. Minors and the elderly are vulnerable to certain occupational hazards, and certain occupational hazards have special effects on female physiology.
(3) Nutrition deficiency.
(4) The influence of other diseases and mental factors.
(5) Cultural level and habits. People with certain cultural and scientific knowledge can consciously prevent occupational diseases. Some kind of hobby in life such as drinking alcohol and smoking can increase the effect of occupational hazards.
Exposure: Casual, short-term or long-term exposure can lead to different consequences.
The strength of action: mainly depends on the amount of exposure, but for chemical and physical factors, sometimes the amount of contact is difficult to express in absolute terms, should consider the contact time, length of service and so on.
When harmful effects on the human body exceed a certain limit and persist for a certain period of time, there are three different consequences: First, harmful factors cause changes in the appearance of the body without causing pathological damage, such as skin pigmentation; Second, harmful factors To reduce the body's resistance to general diseases, manifested as increased prevalence or exacerbations; Third, can cause specific functional and organic pathological changes, causing occupational diseases.
China Labor Insurance Network
Ferroalloys, generalized ferroalloys, are products that are added to molten iron as a deoxidizer, elemental additive, etc. in steelmaking to provide a characteristic or meet certain requirements. An intermediate alloy of iron and one or more elements, mainly used in steel smelting. In the steel industry, all intermediate alloys for steel making, whether iron or not (such as silicon calcium alloy), are generally referred to as "iron alloys". It is customary to include certain pure metal additives and oxide additives.
Ferro Alloys,Ferro Silicon,Silicon-Barium Alloy,Spheroidizing Agent
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