Fellies/kubejs/data/thermal/recipes/machine/smelter/smelter_copper_dust.json

{
    "type": "thermal:smelter",
    "ingredient": {
        "tag": "forge:dusts/copper"
    },
    "result": [
        {
            "item": "emendatusenigmatica:copper_ingot",
            "count": 1
        }
    ],
    "energy_mod": 0.5
}