Do your desks and chairs meet the standards? It is related to children's health and cannot be ignored
|
Reference standard: "Functional dimensions and technical requirements for school desks and chairs" (GB/T 3976-2014) Ni Xiaojiang & Xuhui CDC |
<<: National Low Carbon Day | Geological Hydrogen: A Green Energy Treasure Hidden Deep Underground
Recommend
Why can't we uninstall pre-installed software on mobile phones? The profit chain is shocking
While mobile phone software brings convenience, m...
With a range of over 450km, Qoros 3 EV may be launched in November
Recently, Qoros Auto's senior management anno...
Event Operation: Is your event ineffective?
Organizing activities is the daily work of our op...
iOS 16.4 quasi-official version released, new features and changes
Early this morning, Apple pushed the iOS 16.4 RC ...
Why do WeChat payment accounts require real names and have change limits? Official Science
Compared with paper money, online payment does no...
What is so great about Uber’s operational strategy?
Author's note: UBER's way of playing is w...
Danger! Don’t do this when your roof is moldy
The most frustrating thing about humid weather is...
WeChat long press for 2 seconds has so many hidden functions. Learn more
[[321342]] According to Tencent's 2019 annual...
Hot, hot, hot! When will the high temperature end?
Recently, the heat wave and hot weather have made...
Smart eating in winter - cooking secrets to reduce salt without reducing flavor
The salt intake in the diet of Chinese residents ...
IoT devices will surpass smartphones in 2018
In today's era, the hottest device in the har...
Writing a small and simple activity post includes at least these twenty steps!
In the operation work, no matter it is user opera...
Zhihu order number 2500 cash income, a batch of brainless operation to earn 30,000 a month money-making project (black)
Yesterday, I spent the past two days struggling ov...
New scientific discovery! What effect does the length of daylight have on the growth and development of plant seeds?
Produced by: Science Popularization China Author:...
Detailed official interpretation of TikTok operations, policies, etc.!
After TikTok became popular, a large number of so...