I hate it when mods make you craft items/blocks with rarely used items, and you end up not using them anymore because they're basically useless. like nuggets, almost no recipes uses them, but the once that do only require a few of them, but you can't get yourself to throw away the ones you don't use, just for that one chance you might need them again
Got to say, at least now in TPPI2, iron nuggets can be used to make chain links, then the chain links added up to make chain armour without having to add creative fire, say, make a chain chestplate, then throw it in the smeltery and ta-da you have 2 steel ingots.