Wal Mart, the world’s largest retailer, said on Monday it had abandoned plans to use mobile robots to scan shelves and track inventory, halting years of efforts to automate the task. The company said it had ended its partnership with Bossa Nova robotics Inc., a robotics start-up. “We tried the idea in about 500 stores, just as we tried other ideas in other stores,” Wal Mart said in a statement < / P > < p > Wal Mart added that it will continue to test new technologies and invest in its processes and applications to track inventory and help products get to market as soon as possible. < / P > < p > this supermarket chain has launched shelf scanning robots since 2017, which can quickly replenish inventory when goods on the shelves are short, and save staff time. This is part of Wal Mart’s greater efforts to digitize stores and speed up shopping in the process of competing with Amazon. < p > < p > the media quoted sources as saying that Wal Mart just released a record online sales performance in the latest quarter, and now the company has more employees packing online orders in the hallway to extract new data on inventory problems. Spontaneous combustion at a Guangzhou Motor vehicle intersection and other traffic lights in Shenzhen