How to buy a hotel safe size specifications

As the number of economic and business exchanges in China is becoming more and more frequent, more people are either on the way to travel or at the destination of business travel. Hotel safe is an item provided by the hotel to ensure the safety of the valuables that guests carry with them, ......

Slingshot master launches 3D printed "rocket" with…

German man Joerg Sprave has a special hobby, playing slingshots. However, it is not the ordinary slingshot we usually play. Joerg Sprave's slingshot is much more powerful. He even once opened a slingshot channel "The Slingshot Channel" on the video site Youtube. Recently on Sprave&# ......

Audi uses 3D printing technology to copy the "Silver Ar…

Recently, Audi Toolmaking, an automaker's Audi company, used 3D printing technology to copy the C-type car that Auto Union introduced in 1936 in a scale of 1:2. The prototype of this mold for Audi mold 3D printing is Silver Arrow. Although it is a 1:2 ratio, it looks twice as small as the orig ......

How is the Shangjian K7 treadmill?

How is the Shangjian K7 treadmill? The Shangjian k7 series is the first smart treadmill introduced by the Shangjian brand. After four years of research and development, the Shangjian Smart Treadmill was launched in early 2015. Once the product is launched, it is stable. The performance, ......