--FALLBACKS
	--CIRCUITS
	angelsmods.functions.RB.set_fallback("item", "t0-circuit", { { "block-base-1" }, { "basic-circuit-board" }, { "electronic-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t1-circuit", { { "block-base-1" }, { "electronic-circuit" }, { "electronic-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t2-circuit", { { "block-base-1" }, { "electronic-circuit" }, { "electronic-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t3-circuit", { { "block-base-2" }, { "advanced-circuit" }, { "advanced-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t4-circuit", { { "block-base-2" }, { "processing-unit" }, { "advanced-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t5-circuit", { { "block-base-2" }, { "advanced-processing-unit" }, { "processing-unit" } })
	
	--PLATES
	angelsmods.functions.RB.set_fallback("item", "t0-plate", { { "block-empty-1" }, { "iron-plate", 3 } })
	angelsmods.functions.RB.set_fallback("item", "t1-plate", { { "block-empty-2" }, { "steel-plate", 3 } })
	angelsmods.functions.RB.set_fallback("item", "t2-plate", { { "block-empty-2" }, { "steel-plate", 3 } })
	angelsmods.functions.RB.set_fallback("item", "t3-plate", { { "block-empty-3" }, { "aluminium-plate", 3 }, { "steel-plate", 3 } })
	angelsmods.functions.RB.set_fallback("item", "t4-plate", { { "block-empty-4" }, { "titanium-plate", 3 }, { "steel-plate", 3 } })
	angelsmods.functions.RB.set_fallback("item", "t5-plate", { { "block-empty-5" }, { "tungsten-plate", 3 }, { "steel-plate", 3 } })
	
	--BRICK
	angelsmods.functions.RB.set_fallback("item", "t0-brick", { { "block-base-1" }, { "stone", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t1-brick", { { "block-base-1" }, { "stone-brick", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t2-brick", { { "block-base-1" }, { "clay-brick", 5 }, { "stone-brick", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t3-brick", { { "block-base-2" }, { "concrete-brick", 5 }, { "stone-brick", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t4-brick", { { "block-base-2" }, { "reinforced-concrete-brick", 5 }, { "stone-brick", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t5-brick", { { "block-base-2" }, { "reinforced-concrete-brick", 5 }, { "stone-brick", 5 } })
	
	--GEARS
	angelsmods.functions.RB.set_fallback("item", "t0-gears", { { "block-mechanical-1" }, { "iron-gear-wheel", 2 } })
	angelsmods.functions.RB.set_fallback("item", "t1-gears", { { "block-mechanical-1" }, { "steel-gear-wheel", 2 }, { "iron-gear-wheel", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t2-gears", { { "block-mechanical-1" }, { "steel-gear-wheel", 2 }, { "iron-gear-wheel", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t3-gears", { { "block-mechanical-2" }, { "brass-gear-wheel", 2 }, { "iron-gear-wheel", 6 } })
	angelsmods.functions.RB.set_fallback("item", "t4-gears", { { "block-mechanical-2" }, { "titanium-gear-wheel", 2 }, { "iron-gear-wheel", 7 } })
	angelsmods.functions.RB.set_fallback("item", "t5-gears", { { "block-mechanical-2" }, { "nitinol-gear-wheel", 2 }, { "iron-gear-wheel", 8 } })
	
	--PIPES
	angelsmods.functions.RB.set_fallback("item", "t0-pipe", { { "block-fluidbox-1" }, { "pipe", 2 } })
	angelsmods.functions.RB.set_fallback("item", "t1-pipe", { { "block-fluidbox-1" }, { "steel-pipe", 2 }, { "pipe", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t2-pipe", { { "block-fluidbox-1" }, { "steel-pipe", 2 }, { "pipe", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t3-pipe", { { "block-fluidbox-2" }, { "brass-pipe", 2 }, { "pipe", 6} })
	angelsmods.functions.RB.set_fallback("item", "t4-pipe", { { "block-fluidbox-2" }, { "titanium-pipe", 2 }, { "pipe", 7 } })
	angelsmods.functions.RB.set_fallback("item", "t5-pipe", { { "block-fluidbox-2" }, { "tungsten-pipe", 2 }, { "pipe", 8 } })
	
	--BUILDINGS
	--REFINING
	angelsmods.functions.RB.set_fallback("item", "crusher-0", { { "block-empty-1" }, { "stone" } } )
	angelsmods.functions.RB.set_fallback("item", "crusher-1", { { "block-refining-1" }, { "burner-ore-crusher" } } )
	angelsmods.functions.RB.set_fallback("item", "crusher-2", { { "block-refining-2" }, { "ore-crusher" } } )
	angelsmods.functions.RB.set_fallback("item", "crusher-3", { { "block-refining-3" }, { "ore-crusher-2" } } )

	angelsmods.functions.RB.set_fallback("item", "cell-1", { { "block-refining-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "cell-2", { { "block-refining-3", 3 }, { "ore-floatation-cell" } } )
	angelsmods.functions.RB.set_fallback("item", "cell-3", { { "block-refining-4", 3 }, { "ore-floatation-cell-2" } } )
	
	angelsmods.functions.RB.set_fallback("item", "leach-1", { { "block-refining-3", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "leach-2", { { "block-refining-4", 3 }, { "ore-leaching-plant" } } )
	angelsmods.functions.RB.set_fallback("item", "leach-3", { { "block-refining-5", 3 }, { "ore-leaching-plant-2" } } )
	
	angelsmods.functions.RB.set_fallback("item", "oreref-1", { { "block-refining-4", 5 } } )
	angelsmods.functions.RB.set_fallback("item", "oreref-2", { { "block-refining-5", 5 }, { "ore-refinery" } } )

	angelsmods.functions.RB.set_fallback("item", "sorter-1", { { "block-refining-1", 5 } } )
	angelsmods.functions.RB.set_fallback("item", "sorter-2", { { "block-refining-2", 5 }, { "ore-sorting-facility" } } )
	angelsmods.functions.RB.set_fallback("item", "sorter-3", { { "block-refining-3", 5 }, { "ore-sorting-facility-2" } } )
	angelsmods.functions.RB.set_fallback("item", "sorter-4", { { "block-refining-4", 5 }, { "ore-sorting-facility-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "filter-1", { { "block-refining-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "filter-2", { { "block-refining-4", 3 }, { "filtration-unit" } } )
	
	angelsmods.functions.RB.set_fallback("item", "cryst-1", { { "block-refining-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "cryst-2", { { "block-refining-4", 3 }, { "crystallizer" } } )
	
	angelsmods.functions.RB.set_fallback("item", "liqui-1", { { "block-petrochem-1", 1 } } )
	angelsmods.functions.RB.set_fallback("item", "liqui-2", { { "block-petrochem-2", 1 }, { "liquifier" } } )
	angelsmods.functions.RB.set_fallback("item", "liqui-3", { { "block-petrochem-3", 1 }, { "liquifier-2" } } )
	angelsmods.functions.RB.set_fallback("item", "liqui-4", { { "block-petrochem-4", 1 }, { "liquifier-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "thermal-1", { { "block-refining-4", 5 } } )
	
	angelsmods.functions.RB.set_fallback("item", "salination-1", { { "block-refining-3", 5 } } )
	angelsmods.functions.RB.set_fallback("item", "salination-2", { { "block-refining-4", 5 }, { "salination-plant" } } )
	
	angelsmods.functions.RB.set_fallback("item", "treatment-1", { { "block-refining-1", 5 } } )
	angelsmods.functions.RB.set_fallback("item", "treatment-2", { { "block-refining-3", 5 }, { "hydro-plant" } } )
	
	angelsmods.functions.RB.set_fallback("item", "wash-1", { { "block-refining-1", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "wash-2", { { "block-refining-2", 3 }, { "washing-plant" } } )

	angelsmods.functions.RB.set_fallback("item", "orepowder-1", { { "block-refining-3", 1 } } )
	angelsmods.functions.RB.set_fallback("item", "orepowder-2", { { "block-refining-4", 1 }, { "ore-powderizer" } } )
	angelsmods.functions.RB.set_fallback("item", "orepowder-3", { { "block-refining-5", 1 }, { "ore-powderizer-2" } } )
	
	angelsmods.functions.RB.set_fallback("item", "oreelectro-1", { { "block-refining-3", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "oreelectro-2", { { "block-refining-4", 3 }, { "electro-whinning-cell" } } )
	angelsmods.functions.RB.set_fallback("item", "oreelectro-3", { { "block-refining-5", 3 }, { "electro-whinning-cell-2" } } )
	
	--PETROCHEM
	angelsmods.functions.RB.set_fallback("item", "separator-1", { { "block-petrochem-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "separator-2", { { "block-petrochem-3", 3 }, { "separator" } } )
	angelsmods.functions.RB.set_fallback("item", "separator-3", { { "block-petrochem-4", 3 }, { "separator-2" } } )
	angelsmods.functions.RB.set_fallback("item", "separator-4", { { "block-petrochem-5", 3 }, { "separator-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "gasrefsm-1", { { "block-petrochem-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "gasrefsm-2", { { "block-petrochem-3", 3 }, { "gas-refinery-small" } } )
	angelsmods.functions.RB.set_fallback("item", "gasrefsm-3", { { "block-petrochem-4", 3 }, { "gas-refinery-small-2" } } )
	angelsmods.functions.RB.set_fallback("item", "gasrefsm-4", { { "block-petrochem-5", 3 }, { "gas-refinery-small-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "gasref-1", { { "block-petrochem-3", 5 } } )
	angelsmods.functions.RB.set_fallback("item", "gasref-2", { { "block-petrochem-4", 5 }, { "gas-refinery-small" } } )
	angelsmods.functions.RB.set_fallback("item", "gasref-3", { { "block-petrochem-5", 5 }, { "gas-refinery-small-2" } } )

	angelsmods.functions.RB.set_fallback("item", "cracker-1", { { "block-petrochem-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "cracker-2", { { "block-petrochem-3", 3 }, { "steam-cracker" } } )
	angelsmods.functions.RB.set_fallback("item", "cracker-3", { { "block-petrochem-4", 3 }, { "steam-cracker-2" } } )
	angelsmods.functions.RB.set_fallback("item", "cracker-4", { { "block-petrochem-5", 3 }, { "steam-cracker-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "advchem-1", { { "block-petrochem-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "advchem-2", { { "block-petrochem-4", 3 }, { "advanced-chemical-plant-2" } } )
	
	angelsmods.functions.RB.set_fallback("item", "electrol-1", { { "block-petrochem-1", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "electrol-2", { { "block-petrochem-2", 3 }, { "angels-electrolyser" } } )
	angelsmods.functions.RB.set_fallback("item", "electrol-3", { { "block-petrochem-3", 3 }, { "angels-electrolyser-2" } } )
	angelsmods.functions.RB.set_fallback("item", "electrol-4", { { "block-petrochem-4", 3 }, { "angels-electrolyser-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "airfilter-1", { { "block-petrochem-1", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "airfilter-2", { { "block-petrochem-2", 3 }, { "angels-air-filter" } } )
	
	angelsmods.functions.RB.set_fallback("item", "oilref-1", { { "block-petrochem-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "oilref-2", { { "block-petrochem-3", 3 }, { "oil-refinery" } } )
	angelsmods.functions.RB.set_fallback("item", "oilref-3", { { "block-petrochem-4", 3 }, { "oil-refinery-2" } } )
	angelsmods.functions.RB.set_fallback("item", "oilref-4", { { "block-petrochem-5", 3 }, { "oil-refinery-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "chem-1", { { "block-petrochem-1", 1 } } )
	angelsmods.functions.RB.set_fallback("item", "chem-2", { { "block-petrochem-3", 1 }, { "angels-chemical-plant" } } )
	angelsmods.functions.RB.set_fallback("item", "chem-3", { { "block-petrochem-4", 1 }, { "angels-chemical-plant-2" } } )
	angelsmods.functions.RB.set_fallback("item", "chem-4", { { "block-petrochem-5", 1 }, { "angels-chemical-plant-3" } } )
	
	--SMELTING
	angelsmods.functions.RB.set_fallback("item", "orepro-1", { { "block-smelting-1", 1 } } )
	angelsmods.functions.RB.set_fallback("item", "orepro-2", { { "block-smelting-2", 1 }, { "ore-processing-machine" } } )
	angelsmods.functions.RB.set_fallback("item", "orepro-3", { { "block-smelting-3", 1 }, { "ore-processing-machine-2" } } )
	angelsmods.functions.RB.set_fallback("item", "orepro-4", { { "block-smelting-4", 1 }, { "ore-processing-machine-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "pelletpre-1", { { "block-smelting-2", 1 } } )
	angelsmods.functions.RB.set_fallback("item", "pelletpre-2", { { "block-smelting-3", 1 }, { "pellet-press" } } )
	angelsmods.functions.RB.set_fallback("item", "pelletpre-3", { { "block-smelting-4", 1 }, { "pellet-press-2" } } )
	angelsmods.functions.RB.set_fallback("item", "pelletpre-4", { { "block-smelting-5", 1 }, { "pellet-press-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "powdermix-1", { { "block-smelting-1", 1 } } )
	angelsmods.functions.RB.set_fallback("item", "powdermix-2", { { "block-smelting-2", 1 }, { "powder-mixer" } } )
	angelsmods.functions.RB.set_fallback("item", "powdermix-3", { { "block-smelting-3", 1 }, { "powder-mixer-2" } } )
	angelsmods.functions.RB.set_fallback("item", "powdermix-4", { { "block-smelting-4", 1 }, { "powder-mixer-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "blastfur-1", { { "block-smelting-1", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "blastfur-2", { { "block-smelting-2", 3 }, { "blast-furnace" } } )
	angelsmods.functions.RB.set_fallback("item", "blastfur-3", { { "block-smelting-3", 3 }, { "blast-furnace-2" } } )
	angelsmods.functions.RB.set_fallback("item", "blastfur-4", { { "block-smelting-4", 3 }, { "blast-furnace-3" } } )

	angelsmods.functions.RB.set_fallback("item", "chemfur-1", { { "block-smelting-1", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "chemfur-2", { { "block-smelting-2", 3 }, { "angels-chemical-furnace" } } )
	angelsmods.functions.RB.set_fallback("item", "chemfur-3", { { "block-smelting-3", 3 }, { "angels-chemical-furnace-2" } } )
	angelsmods.functions.RB.set_fallback("item", "chemfur-4", { { "block-smelting-4", 3 }, { "angels-chemical-furnace-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "indufur-1", { { "block-smelting-1", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "indufur-2", { { "block-smelting-2", 3 }, { "induction-furnace" } } )
	angelsmods.functions.RB.set_fallback("item", "indufur-3", { { "block-smelting-3", 3 }, { "induction-furnace-2" } } )
	angelsmods.functions.RB.set_fallback("item", "indufur-4", { { "block-smelting-4", 3 }, { "induction-furnace-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "castingm-1", { { "block-smelting-1", 1 } } )
	angelsmods.functions.RB.set_fallback("item", "castingm-2", { { "block-smelting-2", 1 }, { "casting-machine" } } )
	angelsmods.functions.RB.set_fallback("item", "castingm-3", { { "block-smelting-3", 1 }, { "casting-machine-2" } } )
	angelsmods.functions.RB.set_fallback("item", "castingm-4", { { "block-smelting-4", 1 }, { "casting-machine-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "sinteringo-1", { { "block-smelting-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "sinteringo-2", { { "block-smelting-3", 3 }, { "casting-machine" } } )
	angelsmods.functions.RB.set_fallback("item", "sinteringo-3", { { "block-smelting-4", 3 }, { "casting-machine-2" } } )
	angelsmods.functions.RB.set_fallback("item", "sinteringo-4", { { "block-smelting-5", 3 }, { "casting-machine-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "strandcast-1", { { "block-smelting-2", 3 } } )
	angelsmods.functions.RB.set_fallback("item", "strandcast-2", { { "block-smelting-3", 3 }, { "strand-casting-machine" } } )
	angelsmods.functions.RB.set_fallback("item", "strandcast-3", { { "block-smelting-4", 3 }, { "strand-casting-machine-2" } } )
	angelsmods.functions.RB.set_fallback("item", "strandcast-4", { { "block-smelting-5", 3 }, { "strand-casting-machine-3" } } )
	
	angelsmods.functions.RB.set_fallback("item", "coolingt-1", { { "block-smelting-2", 1 } } )