diff --git a/machine.lua b/machine.lua
index b40813c..a479b00 100644
--- a/machine.lua
+++ b/machine.lua
@@ -34,12 +34,17 @@ minetest.register_node('mylandscaping:machine', {
 can_dig = function(pos,player)
 	local meta = minetest.env:get_meta(pos);
 	local inv = meta:get_inventory()
-	if not inv:is_empty("input") then
+	
+	if player:get_player_name() ~= meta:get_string("owner") then
+		return false
+	elseif not inv:is_empty("input") then
 		return false
 	elseif not inv:is_empty("output") then
 		return false
 	end
 	return true
+
+
 end,
 
 after_place_node = function(pos, placer, itemstack)
diff --git a/mixer.lua b/mixer.lua
index a79f078..89426e6 100644
--- a/mixer.lua
+++ b/mixer.lua
@@ -35,9 +35,15 @@ minetest.register_node('mylandscaping:mixer', {
 can_dig = function(pos,player)
 	local meta = minetest.env:get_meta(pos);
 	local inv = meta:get_inventory()
-	if not inv:is_empty("input") then
+	if player:get_player_name() ~= meta:get_string("owner") then
 		return false
-	elseif not inv:is_empty("output") then
+	elseif not inv:is_empty("cobble") then
+		return false
+	elseif not inv:is_empty("gravel") then
+		return false
+	elseif not inv:is_empty("concrete") then
+		return false
+	elseif not inv:is_empty("sand") then
 		return false
 	end
 	return true
diff --git a/myconcrete_machine.lua b/myconcrete_machine.lua
index c54c3a3..cee7fcc 100644
--- a/myconcrete_machine.lua
+++ b/myconcrete_machine.lua
@@ -37,7 +37,10 @@ minetest.register_node('mylandscaping:machine', {
 can_dig = function(pos,player)
 	local meta = minetest.env:get_meta(pos);
 	local inv = meta:get_inventory()
-	if not inv:is_empty("input") then
+	
+	if player:get_player_name() ~= meta:get_string("owner") then
+		return false
+	elseif not inv:is_empty("input") then
 		return false
 	elseif not inv:is_empty("output") then
 		return false
diff --git a/myconcrete_mixer.lua b/myconcrete_mixer.lua
index 4527acc..a4362f5 100644
--- a/myconcrete_mixer.lua
+++ b/myconcrete_mixer.lua
@@ -34,9 +34,15 @@ minetest.register_node('mylandscaping:mixer', {
 can_dig = function(pos,player)
 	local meta = minetest.env:get_meta(pos);
 	local inv = meta:get_inventory()
-	if not inv:is_empty("input") then
+	if player:get_player_name() ~= meta:get_string("owner") then
 		return false
-	elseif not inv:is_empty("output") then
+	elseif not inv:is_empty("cobble") then
+		return false
+	elseif not inv:is_empty("gravel") then
+		return false
+	elseif not inv:is_empty("concrete") then
+		return false
+	elseif not inv:is_empty("sand") then
 		return false
 	end
 	return true