--FALLBACKS
	--CIRCUITS
	angelsmods.functions.RB.set_fallback("item", "t0-circuit", { { "circuit-grey" }, { "basic-circuit-board" }, { "electronic-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t1-circuit", { { "circuit-red-loaded" }, { "electronic-circuit" }, { "electronic-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t2-circuit", { { "circuit-green-loaded" }, { "electronic-circuit" }, { "electronic-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t3-circuit", { { "circuit-orange-loaded" }, { "advanced-circuit" }, { "advanced-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t4-circuit", { { "circuit-blue-loaded" }, { "processing-unit" }, { "advanced-circuit" } })
	angelsmods.functions.RB.set_fallback("item", "t5-circuit", { { "circuit-yellow-loaded" }, { "advanced-processing-unit" }, { "processing-unit" } })
	
	--PLATES
	angelsmods.functions.RB.set_fallback("item", "t1-plate", { { "angels-plate-iron" }, { "iron-plate" } })
	angelsmods.functions.RB.set_fallback("item", "t2-plate", { { "angels-plate-steel" }, { "steel-plate" } })
	angelsmods.functions.RB.set_fallback("item", "t3-plate", { { "angels-plate-aluminium" }, { "aluminium-plate" }, { "steel-plate", 2 } })
	angelsmods.functions.RB.set_fallback("item", "t4-plate", { { "angels-plate-titanium" }, { "titanium-plate" }, { "steel-plate", 3 } })
	angelsmods.functions.RB.set_fallback("item", "t5-plate", { { "angels-plate-tungsten" }, { "tungsten-plate" }, { "steel-plate", 4 } })
	
	--BRICK
	angelsmods.functions.RB.set_fallback("item", "t1-brick", { { "stone" } })
	angelsmods.functions.RB.set_fallback("item", "t2-brick", { { "stone-brick" } })
	angelsmods.functions.RB.set_fallback("item", "t3-brick", { { "clay-brick" }, { "stone-brick", 2 } })
	angelsmods.functions.RB.set_fallback("item", "t4-brick", { { "concrete-brick" }, { "stone-brick", 3 } })
	angelsmods.functions.RB.set_fallback("item", "t5-brick", { { "reinforced-concrete-brick" }, { "stone-brick", 4 } })
	
	--GEARS
	angelsmods.functions.RB.set_fallback("item", "t1-gears", { { "iron-gear-wheel" } })
	angelsmods.functions.RB.set_fallback("item", "t2-gears", { { "steel-gear-wheel" }, { "iron-gear-wheel", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t3-gears", { { "brass-gear-wheel" }, { "iron-gear-wheel", 6 } })
	angelsmods.functions.RB.set_fallback("item", "t4-gears", { { "titanium-gear-wheel" }, { "iron-gear-wheel", 7 } })
	angelsmods.functions.RB.set_fallback("item", "t5-gears", { { "nitinol-gear-wheel" }, { "iron-gear-wheel", 8 } })
	angelsmods.functions.RB.set_fallback("item", "t6-gears", { { "tungsten-gear-wheel" }, { "iron-gear-wheel", 9 } })
	
	--PIPES
	angelsmods.functions.RB.set_fallback("item", "t1-pipe", { { "pipe" } })
	angelsmods.functions.RB.set_fallback("item", "t2-pipe", { { "steel-pipe" }, { "pipe", 5 } })
	angelsmods.functions.RB.set_fallback("item", "t3-pipe", { { "brass-pipe" }, { "pipe", 6} })
	angelsmods.functions.RB.set_fallback("item", "t4-pipe", { { "titanium-pipe" }, { "pipe", 7 } })
	angelsmods.functions.RB.set_fallback("item", "t5-pipe", { { "tungsten-pipe" }, { "pipe", 8 } })