diff --git a/machines/common.lua b/machines/common.lua
index 23df385..4102de2 100644
--- a/machines/common.lua
+++ b/machines/common.lua
@@ -357,9 +357,29 @@ function industrialtest.internal.registerMachine(config)
 		if config.sounds=="metal" then
 			definition.sounds=mcl_sounds.node_sound_metal_defaults()
 		end
-		definition.groups={pickaxey=1}
+		definition.groups={
+			pickaxey=1,
+			container=2
+		}
 		definition._mcl_blast_resistance=3.5
 		definition._mcl_hardness=3.9
+		definition._mcl_hoppers_on_try_pull=function(pos, hop_pos, hop_inv, hop_list)
+			local meta = minetest.get_meta(pos)
+			local inv = meta:get_inventory()
+			local stack = inv:get_stack("dst", 1)
+			if not stack:is_empty() and hop_inv:room_for_item(hop_list, stack) then
+				return inv, "dst", 1
+			end
+			return nil, nil, nil
+		end
+		definition._mcl_hoppers_on_try_push=function(pos, hop_pos, hop_inv, hop_list)
+			local meta = minetest.get_meta(pos)
+			local inv = meta:get_inventory()
+			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(industrialtest.updateDelay)
+		end
 	end
 	definition.groups._industrialtest_wrenchUnmountable=1
 	if config.requiresWrench then
diff --git a/machines/iron_furnace.lua b/machines/iron_furnace.lua
index 1acdd17..2676300 100644
--- a/machines/iron_furnace.lua
+++ b/machines/iron_furnace.lua
@@ -293,12 +293,21 @@ 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,
+		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 +326,9 @@ 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