Update MoreMachines.java

Copper Ingot is not the typical ore Dictionary name for copper ingots, if you want it to be compatible it should be ingotCopper. Because the typical format is "itemType" such as "ingotCopper", "oreSilver" or "woodRubber". The documentation for IOreHandler lists some examples of ore registrations.
Merge pull request #2 from CaptainShadows/patch-1

Update MoreMachines.java