After playing many games like this which have a better storage/crafting system, it's really hard to play this game tbh Conveyor Belt to move enemies in a mob farm, or collect loose items and potentially store them automatically with a Robot Arm. Copper Ore is mined from The Undergrounds' https://soulcovenant75319.blogdal.com/30302336/5-demonstrações-simples-sobre-core-keeper-gameplay-explicado