fix: use industrialtest.updateDelay

machines/common.lua

@@ -378,7 +378,7 @@ function industrialtest.internal.registerMachine(config)
 			return inv, "src", mcl_util.select_stack(hop_inv, hop_list, inv, "src")
 		end
 		definition._mcl_hoppers_on_after_push=function(pos)
-			minetest.get_node_timer(pos):start(1.0)
+			minetest.get_node_timer(pos):start(industrialtest.updateDelay)
 		end
 	end
 	definition.groups._industrialtest_wrenchUnmountable=1

machines/iron_furnace.lua

@@ -292,13 +292,21 @@ if industrialtest.mtgAvailable then
 		return not (inv:get_list("src")[1]:get_count()>0 or inv:get_list("fuel")[1]:get_count()>0 or inv:get_list("dst")[1]:get_count()>0)
 	end
 elseif industrialtest.mclAvailable then
-	definition.groups={pickaxey=1}
+	definition.groups={
+		pickaxey=1,
+		container=2
+	}
 	definition.after_dig_node=function(pos,oldnode,oldmeta)
 		industrialtest.internal.mclAfterDigNode(pos,oldmeta,{"src","fuel","dst"})
 	end
 	definition.sounds=mcl_sounds.node_sound_metal_defaults()
 	definition._mcl_blast_resistance=3
 	definition._mcl_hardness=3.5
+	definition._mcl_hoppers_on_try_pull = mcl_furnaces.hoppers_on_try_pull
+	definition._mcl_hoppers_on_try_push = mcl_furnaces.hoppers_on_try_push
+	definition._mcl_hoppers_on_after_push = function(pos)
+		minetest.get_node_timer(pos):start(industrialtest.updateDelay)
+	end
 end
 minetest.register_node("industrialtest:iron_furnace",definition)
 definition=table.copy(definition)
@@ -317,7 +325,9 @@ definition.drop="industrialtest:iron_furnace"
 definition.on_timer=ironFurnace.activeOnTimer
 if industrialtest.mclAvailable then
 	definition.groups={
-		not_in_creative_inventory=1
+		not_in_creative_inventory=1,
+		pickaxey=1,
+		container=2
 	}
 	definition._doc_items_create_entry=false
 end