Copper to Iron Tier Upgrade

sophisticatedstorage:copper_to_iron_tier_upgrade, from Sophisticated Storage

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Version	Item	Changes since the previous version	Actions
0.6.0-dev19 (Normal)	Copper to Iron Tier Upgrade	No change	Open
0.5.6-beta (Normal)	Copper to Iron Tier Upgrade	First version	Open

Each row compares this item with the version before it.