alum double plates in LV #3030

config/ftbquests/quests/chapters/mv__medium_voltage.snbt

@@ -1283,28 +1283,6 @@
 			x: 6.0d
 			y: 8.0d
 		}
-		{
-			dependencies: ["45769156F4253C86"]
-			dependency_requirement: "one_completed"
-			description: ["{quests.medium_voltage.mv_jetpack.desc}"]
-			id: "6FA956DAA72D6139"
-			optional: true
-			shape: "heart"
-			size: 1.0d
-			subtitle: "{quests.medium_voltage.mv_jetpack.subtitle}"
-			tasks: [{
-				id: "022324F9630960C6"
-				item: {
-					Count: 1
-					id: "gtceu:liquid_fuel_jetpack"
-					tag: { }
-				}
-				type: "item"
-			}]
-			title: "{quests.medium_voltage.mv_jetpack.title}"
-			x: -5.0d
-			y: 5.0d
-		}
 		{
 			dependencies: ["75F38905DEA60F15"]
 			dependency_requirement: "one_completed"

kubejs/server_scripts/tfg/ores_and_materials/recipes.material_tag_prefixes.js

@@ -207,7 +207,12 @@ function processPlateDouble(event, material) {
 			.EUt(24)
 	}
 
-	addMaterialWelding(event, doublePlateItem, plateItem, plateItem, material, 4, 2);
+	let tier = 2;
+	// Allow double aluminium plates with LV machines
+	if (material === GTMaterials.Aluminium)
+		tier = 1;
+
+	addMaterialWelding(event, doublePlateItem, plateItem, plateItem, material, 4, tier);
 }
 
 /**

kubejs/server_scripts/tfg/ores_and_materials/recipes.materials.js

@@ -184,9 +184,9 @@ function addMaterialCasting(event, outputItem, ceramicMold, isFireMold, gtMold,
  * @param {Internal.ItemStack} inputItem2
  * @param {com.gregtechceu.gtceu.api.data.chemical.material.Material_} material 
  * @param {number} tierThreshold
- * Should be 4 for everything except double ingots, which should be 5
+ * TFC Anvil tier. Should be 4 for everything except double ingots, which should be 5
  * @param {number} nonTfcTier
- * What recipe tier should non-tfc materials use? 0 for ulv, 1 for lv, etc
+ * GregTech voltage tier. What recipe tier should non-tfc materials use? 0 for ulv, 1 for lv, etc
  */
 function addMaterialWelding(event, outputItem, inputItem1, inputItem2, material, tierThreshold, nonTfcTier) {
 	const tfcProperty = material.getProperty(TFGPropertyKey.TFC_PROPERTY);