The suit alleges Beaverton's electronic system tracks student movements to identify behavioral patterns, potentially ...

For the delivery within the fresh food industry, it is difficult to coordinate the courier and customer pickup time, and the customer cannot pick up the goods in time. Especially in the summer or ...

In recent years, with the rapid development of mechanized coal mining technology, the types and quantity of explosion-proof combination switches in coal mines are increasing. Based on the analysis of ...