When making something， always get a few extras — extra material， extra parts， extra space， extra finishes. The extras serve as backups for mistakes， reduce stress， and fill your inventory for the future. They are the cheapest insurance.
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
精准农业不是奢侈品，而是可持续养活世界的必需品。