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Question:

An unreasonable place for desks or chairs for middle school students or pupils!

An unreasonable place for desks or chairs for middle school students or pupils!

Answer:

Not considering the student's general height.The design does not take into account the distance between the table and stool, so that students are prone to myopia.It is better not to use a pen to write on it, such as spray paint or something. It should be noted that the paint is tasteless. Because the students love in the above write things, very beautiful effect, to create an opportunity for students to cheat.
The classroom should set up the necessary facilities for students to study and live. The ordinary classroom should be set to the podium, blackboard, clean cabinet, screen curtain rod, hook, loudspeaker box, "learning field" column, PEG, rain gear storage. A group of power outlets are arranged at the front wall and the back wall of the classroom.
Classroom desks and chairs should be arranged in accordance with the following requirements: (1) desks and chairs from the platoon should be: primary school should not be less than 850 mm, secondary schools should not be less than 900 mm, vertical aisle width should not be less than 550 mm. The distance between the end of the desk near the wall and the wall or the projecting wall, the inner wall column and the equipment pipe shall not be less than 120 millimeters. (2) the horizontal distance between the front desk and the blackboard in the classroom is 2000 millimeters. The last row of the desk is along the horizontal distance from the blackboard. The primary school should be no more than 8000 millimeters, and the middle school should be no more than 8500 millimeters. The rear of the classroom should be provided with a horizontal walkway of not less than 600 mm.
The height of the blackboard should not be less than 1000 millimeters. Blackboard width, primary school should not be less than 3600 millimeters, secondary schools should not be less than 4000 millimeters. The vertical distance between the blackboard and the table top, the primary school should be 800 - 900 millimeters, the middle school should be 1000 - 1100 millimeters. The blackboard should be made of smooth writing, no glare, easy to erase, no noise when writing, and frosted glass material with surface abrasion resistance. The blackboard in the classroom lighting lighting classroom blackboard blackboard left, a lamp, and the average illuminance of not less than 200 lux.

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