This is a bit of a big feature request; having CrT support for adding multiple input items in certain machines would allow for much more in depth recipes. The same could be said about decomposing items into various other items as a result.
Possible modpack maker examples:
-copper + tin in anvil to make a single powder for efficient bronze. same for kiln/crucible/oven
-cement sand and gravel in compacting bin to make concrete powder
-Placing sisal in a drying rack to get both pulp and fiber
-Adding certain materials like leather and yogurt to a soaking pot with milk to get more yogurt out of it.
-Smashing a machine in an anvil to get various components back
etc
-Kiln can cook a block and also give a byproduct
-Chopping block can output both a bark item and planks (plus wooden chips of course)