For a long time, the blackboard + chalk teaching model has become a habit. The dust pollution brought about by it is obvious to the health of teachers and students, but people only show a helplessness to this, and dust pollution is also a global concern. And urgent problems to be solved. According to information from national authoritative institutions: more than 38 million vocational teachers nationwide, each of whom inhales an average of 250-260 grams of dust per year, is highly likely to suffer from lung disease. Teachers suffer from lung disease, pharyngitis, and bronchial diseases due to long-term passive inhalation of lime dust The phenomenon is very common. According to relevant statistics: 20% of people who die of lung disease each year are professional teachers, which is a very alarming number. At present, almost all school classrooms in Europe, the United States and some developed countries use dust-free teaching. In recent years, our National Ministry of Education has issued relevant policies to guide this area. Local governments and the Department of Education are also actively doing this work. At present, the government in Beijing, Henan, Shenzhen, Yunnan and other places have issued documents in this regard. In some areas, the beige board teaching is the first product. Dust-free teaching has become a social concern. Teachers, parents, enterprises, governments More and more people are trying to change this status quo. Caring for the health of teachers and students means caring for the future of the motherland. At present, there are more and more domestic enterprises and people dedicated to dust-free teaching, and the products are more diverse. There are frosted glass plates, green plates, and steel-faced green plates; dusty chalks, and dust-free chalks, but these are all temporary cures, and they cannot solve the problem at all. The formation process of chalk from block to powder is an indisputable fact. Moreover, under the long-term friction of the board surface, the visual effect is getting worse and worse, and it is easy to cause visual fatigue. As a result, there was a whiteboard teaching, but the cost of consumables was too high, and the blackboard pen was an ordinary liner pen, which caused the high cost of use, and the high white reflection rate increased the visual fatigue of teachers and students. Large-scale promotion is limited to the use of computer rooms and classrooms with more modern teaching equipment. Shanghai Wuzhifeng Enterprise Group is a joint-stock high-tech enterprise integrating product development, design, production and sales and technical services. The company is positioned as a manufacturer of a series of low-light quantum environmental protection teaching systems. We advocate "technological construction of environmental protection, green care of health, and practice to lead changes". We strive to respond to the call for environmental protection and energy conservation and low carbon to provide schools with healthy and environmentally friendly teaching products. With the goal of "becoming the world's top enterprise in the field of high-tech teaching", we strive to dedicate the latest technology, excellent products and perfect services to the educational cause of China and the world through our unremitting efforts. The low-light quantum environmental protection teaching system developed and produced by the enterprise has completely eliminated the traditional blackboard and white-green board, changed the history of writing with chalk in the past decades, and adopted dust-free, non-toxic, odorless, and can be recycled and refilled repeatedly. Water-based environmental protection blackboard pen. Because it is a beige teaching board with a lower reflectivity than the green board, it has also been greatly improved in preventing myopia. At the same time, the projector can project directly onto the teaching board, so that the projection screen is not needed. Finally, teachers can also use the teaching pen to directly teach multimedia courseware on the board, replacing the electronic whiteboard. To sum up, the low-light quantum environmental protection teaching system is equivalent to the integration of three functions of green board, projection screen and electronic whiteboard, so that the classroom enters a healthy and environmentally friendly low-carbon technology and tidy new teaching environment, and truly enters a new era of dust-free teaching.
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