diff --git a/technic/chainsaw.lua b/technic/chainsaw.lua
index eb12732..2c3fbf5 100644
--- a/technic/chainsaw.lua
+++ b/technic/chainsaw.lua
@@ -9,8 +9,8 @@ minetest.register_tool("technic:chainsaw", {
 		if pointed_thing.type=="node" then 
 		item=itemstack:to_table()
 		local meta=get_item_meta(item["metadata"])
-		if meta==nil then return false end --tool not charghed
-		if meta["charge"]==nil then return false end
+		if meta==nil then return end --tool not charghed
+		if meta["charge"]==nil then return end
 		charge=meta["charge"]
 		charge_to_take=600;
 		if charge-charge_to_take>0 then
diff --git a/technic/mining_drill.lua b/technic/mining_drill.lua
index ecaab65..86c18ac 100644
--- a/technic/mining_drill.lua
+++ b/technic/mining_drill.lua
@@ -219,8 +219,8 @@ minetest.register_tool("technic:mining_drill", {
 		if pointed_thing.type=="node" then 
 		item=itemstack:to_table()
 		local meta=get_item_meta(item["metadata"])
-		if meta==nil then return false end --tool not charghed
-		if meta["charge"]==nil then return false end
+		if meta==nil then return end --tool not charghed
+		if meta["charge"]==nil then return end
 		charge=meta["charge"]
 		if charge-mining_drill_power_usage>0 then
 			charge_to_take=drill_dig_it(minetest.get_pointed_thing_position(pointed_thing, above),user,1,1)
@@ -291,7 +291,7 @@ function mining_drill_mk2_handler (itemstack,user,pointed_thing)
 	if meta==nil or keys["sneak"]==true then return mining_drill_mk2_setmode(user,itemstack) end
 	if meta["mode"]==nil then return mining_drill_mk2_setmode(user,itemstack) end
 	if pointed_thing.type~="node" then return end
-	if meta["charge"]==nil then return false end
+	if meta["charge"]==nil then return end
 	charge=meta["charge"]
 	if charge-mining_drill_power_usage>0 then
 		local charge_to_take=drill_dig_it(minetest.get_pointed_thing_position(pointed_thing, above),user,2,meta["mode"])
@@ -313,7 +313,7 @@ function mining_drill_mk3_handler (itemstack,user,pointed_thing)
 	if meta==nil or keys["sneak"]==true then return mining_drill_mk3_setmode(user,itemstack) end
 	if meta["mode"]==nil then return mining_drill_mk3_setmode(user,itemstack) end
 	if pointed_thing.type~="node" then return end
-	if meta["charge"]==nil then return false end
+	if meta["charge"]==nil then return end
 	charge=meta["charge"]
 	if charge-mining_drill_power_usage>0 then
 		print(dump(meta))
diff --git a/technic/mining_laser_mk1.lua b/technic/mining_laser_mk1.lua
index 87c121d..a00af81 100644
--- a/technic/mining_laser_mk1.lua
+++ b/technic/mining_laser_mk1.lua
@@ -57,8 +57,8 @@ minetest.register_tool("technic:laser_mk1", {
 	on_use = function(itemstack, user, pointed_thing)
 		item=itemstack:to_table()
 		local meta=get_item_meta(item["metadata"])
-		if meta==nil then return false end --tool not charghed
-		if meta["charge"]==nil then return false end
+		if meta==nil then return end --tool not charghed
+		if meta["charge"]==nil then return end
 		charge=meta["charge"]
 		if charge-400>0 then
 		 laser_shoot(item, user, pointed_thing)
diff --git a/technic/sonic_screwdriver.lua b/technic/sonic_screwdriver.lua
index ffd2984..523b253 100644
--- a/technic/sonic_screwdriver.lua
+++ b/technic/sonic_screwdriver.lua
@@ -14,8 +14,8 @@ minetest.register_tool("technic:sonic_screwdriver", {
 					if node.param2==nil  then return end
 					item=itemstack:to_table()
 					local meta1=get_item_meta(item["metadata"])
-					if meta1==nil then return false end --tool not charghed
-					if meta1["charge"]==nil then return false end
+					if meta1==nil then return end --tool not charghed
+					if meta1["charge"]==nil then return end
 					charge=meta1["charge"]
 					if charge-100>0 then
 						minetest.sound_play("technic_sonic_screwdriver", {pos = pos, gain = 0.3, max_hear_distance = 10,})