Mr. Lee is at home in the fourth grade daughter, because the children class popular with fragrance stationery, his daughter is also commonly used pocket money in several stationery wholesale market to buy some fragrance stationery, stationery in the work of this pencil, eraser and ball And so can be issued scent, apple flavor, strawberry flavor and so on.Then he slowly found that contact with these stationery for a long time, the child is always dizzy.Li learned from the relevant departments, this stationery pungent Most of the fragrance is made with industrial raw materials, which contains a variety of harmful substances such as formaldehyde in addition to fragrance stationery, some commonly used poor quality school supplies on the child's physical hazards are also worrying, some manufacturers produce a large number of poorly modified products Filled with the market, such as correction fluid, correction pen and correction belt, etc. These illegal manufacturers in order to ensure the effect of modification in the product to varying degrees, adding halogenated hydrocarbons and benzene-based substances, not only bad smell, and stimulate the child's respiratory tract, Easy to cause eye, nose and throat inflammation In addition, the market for sale of poor quality crayons, watercolor paint and pencil coating heavy metal content exceeded. Some children do homework , To develop a biting pencil, run the pen does not wash their hands to eat bad habits, then, pencil harmful substances will be slowly absorbed by the body, leading to lead poisoning to avoid the harm caused by poor children stationery.
Parents should choose the regular factory production of stationery, education children to develop good health habits, put an end to bad learning methods.In addition, the purchase of school supplies, the timely request for invoices or shopping vouchers, and detailed fill in order to appear as a basis At the same time, parents also urged the businessmen should resolutely resist the stationery that is not conducive to the growth of children, and the relevant departments should also increase efforts to clean up the fight against poor students supplies for students to create a healthy cultural atmosphere. The child.
Heavy metal poisoning hazards
Heavy metals include metals with a specific gravity greater than 4 or 5, such as copper, lead, zinc, iron, cobalt, nickel, manganese, cadmium, mercury, tungsten, molybdenum, gold and silver, etc. Although manganese, copper, zinc Heavy metals are the trace elements needed for life activities, but most heavy metals such as mercury, lead, and cadmium are not necessary for life activities,And all the heavy metals are more than a certain concentration of toxic substances such as mercury poisoning clinical manifestations, systemic symptoms of headache, dizziness, fatigue and fever. Oral and gastrointestinal symptoms of gingival swelling and pain, erosion, bleeding, loose teeth Pus, mouth odor, and nausea, vomiting, loss of appetite, abdominal pain and diarrhea. Skin contact can occur red rash, to the limbs and head and face distribution more. A small number of patients may have kidney damage, individual severe cough , Chest pain, difficulty breathing, cyanosis and other acute interstitial pneumonia.
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