Abstract: The vehicle routing problem with backhauls (VRPBs) is a challenging problem commonly studied in computer science and operations research. Featured by linehaul (or delivery) and backhaul (or ...

What’s the difference between the Glock 19 and Glock 47? The Glock 19 is a compact, versatile 9mm that excels at concealed carry, while the Glock 47 offers a full-size frame and parts modularity, ...