Why is the pass rate of desks and chairs relatively low?
Feb 20,2022
With the rapid development of science and technology, the raw materials for doors and windows in high-rise buildings in developed foreign countries have gone through three stages: wood, iron, and aluminum alloy. More than ten years ago, they began to enter the era of using hard plastic to replace aluminum alloy. In recent years, scientists and engineers have designed many plastic steel parts for cars, trains, ships, and airplanes to replace wood, iron, aluminum, and other components, with functions far superior to the former.
Replacing wood with plastic, steel with plastic, copper with plastic, and aluminum with aluminum is not only an inevitable trend of technological progress but also the only way for the future development of China's manufacturing industry. Tables and chairs are no exception. Moreover, future tables and chairs will not only have adjustable heights but also a type of connecting furniture composed of height-adjustable tables and chairs and distance-adjustable connecting boards.
The desk and chair manufacturer has solved the problem that current desks and chairs for primary and secondary school students cannot adjust desk height, chair height, and the distance between desk and chair. They are suitable for students of all grades and body types in spring and autumn. The manufacturer can adjust according to each student's personal condition to fully meet the hygiene standards of desks and chairs.
After in-depth research, the desk and chair manufacturer found several reasons for the low matching rate of desks and chairs. School bags can only be placed on the chair. National standards specify different heights for desks and chairs based on correct sitting posture. The correct sitting posture requires that two-thirds to three-quarters of the back of the student's thigh should be placed on the surface of the chair, with both feet naturally flat on the ground to avoid significant pressure under the popliteal fossa.
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