How to define a custom trench in the PCB between different layers?

Channel and Trench Drain Systems Residential & Commercial slot trench FD-7840GF Modular Grate & Frame · Modular Slot Trench Drain - ?phpthe_title(); ?> FD-7850SD Modular Slot Trench Drain · Modular Trench Drains slot machines trucchi Slot trenching is the preferred method for laying subterranean utility lines It saves money and time with improved accuracy, improved worker

slot genting Trust our Slot Drain solution to provide a cost-effective and lowmaintenance trench drain solution for all your drainage needs Residential System