Silent Killer: Asbestos, A Forgotten Threat
Silent Killer: Asbestos, A Forgotten ThreatDo you remember the rough, hairy material on old houses? This seemingly ordinary material is actually a Group 1 carcinogen recognized by the World Health Organization and banned in over 60 countries! Just one kilogram of asbestos contains millions of "sharp needles," enough to erase a flourishing town from the map and make countless people pay the price with their lives. However, this seemingly harmless but deadly building material is commonplace in rural China...
Why do astronauts need to carry guns when going into space? It's not about preventing aliens, the lesson of the Soviet Union cannot be forgotten
On October 26, 2023, the Shenzhou 17 spacecraft, carrying three astronauts, was successfully launched and launched, ushering in a new round of personnel rotation for the Chinese space station.When it comes to manned spaceflight, many people will definitely think of China's first space hero, Yang Liwei...
The plane was delayed for 6 hours and cash was sent out. Passenger: Calm down! Previously, a flight was delayed and rumored to have "forgotten to refuel and turn back"
According to reports: July 19th, Nanjing. The plane was delayed for 6 and a half hours due to weather conditions, and the staff discovered a subsidy during boarding...
Why does Yang Liwei have to carry a gun before going into space? It's not against aliens. The lessons of the Soviet Union should not be forgotten
On October 15, 2003,Yang Liwei successfully completed the space flight mission. Shortly afterwards, CCTV began to interview him...