In this paper. the fuzzy multi-depot vehicle routing problem with simultaneous pickup and delivery (FMDVRP-SPD) is investigated. The FMDVRP-SPD is the problem of allocating customers to several depots. so that the optimal set of routes is determined simultaneously to serve the pickup and the delivery demands of each customer within scattered depots. https://www.freaknleather.com/product-category/hand-held-laser-welding-machine/