diff --git a/grinder.lua b/grinder.lua
index 7a9ac52..5a8b425 100644
--- a/grinder.lua
+++ b/grinder.lua
@@ -105,6 +105,8 @@ local grinder_process = function(pos)
 		--take 1 item from src inventory for each activation
 		stack=stack:take_item(1); inv:remove_item("src", stack)
 		
+		minetest.sound_play("grinder", {pos=pos,gain=0.5,max_hear_distance = 8,})
+		
 		fuel = fuel-def[1]; -- burn fuel
 		meta:set_float("fuel",fuel);
 		meta:set_string("infotext", "fuel status " .. fuel);
diff --git a/recycler.lua b/recycler.lua
index 65efb84..1fe381d 100644
--- a/recycler.lua
+++ b/recycler.lua
@@ -102,6 +102,9 @@ local recycler_process = function(pos)
 		--take 1 item from src inventory for each activation
 		stack=stack:take_item(1); inv:remove_item("src", stack)
 		
+		minetest.sound_play("recycler", {pos=pos,gain=0.5,max_hear_distance = 8,})
+		
+		
 		fuel = fuel-1; -- burn fuel on succesful operation
 		meta:set_float("fuel",fuel); meta:set_string("infotext", "fuel status " .. fuel .. ", recycling " .. meta:get_string("node"));
 end
diff --git a/sounds/grinder.ogg b/sounds/grinder.ogg
new file mode 100644
index 0000000..c0f98b2
Binary files /dev/null and b/sounds/grinder.ogg differ
diff --git a/sounds/recycler.ogg b/sounds/recycler.ogg
new file mode 100644
index 0000000..66630e8
Binary files /dev/null and b/sounds/recycler.ogg differ