diff --git a/elevator.lua b/elevator.lua
index 2e176fc..24ebe94 100644
--- a/elevator.lua
+++ b/elevator.lua
@@ -171,8 +171,8 @@ minetest.register_entity(elevator_entity, elevator)
 
 minetest.register_craftitem("technology:elevator", {
 	description = "Elevator",
-	inventory_image="technology_elevator.png",
-	wield_image = "technology_elevator.png",
+	inventory_image="technology_elevator_item.png",
+	wield_image = "technology_elevator_item.png",
 	wield_scale = {x=6, y=6, z=2},
 	
 	on_place = function(itemstack, placer, pointed_thing)
@@ -207,8 +207,6 @@ local zmin = -0.5
 local zmax = 0.5
 minetest.register_node("technology:elevator_rail", {
     description = "Vertical rail for elevator",
-    --inventory_image = "technology_elevator_rail.png",
-    --wield_image = "technology_elevator_rail.png",
     node_placement_prediction = "",
     paramtype = "light",
     paramtype2 = "facedir",
@@ -232,13 +230,13 @@ minetest.register_node("technology:elevator_rail", {
 		"technology_elevator_rail_front.png" --front
 	},
     walkable = true,
-    groups = {mecanic=1, oddly_breakable_by_hand=1},
+    groups = {mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
 
 technology.register_plan("ELEVATOR", "technology:elevator", nil, {
-	"technic:hv_transformer",
+	"technic:hv_transformer 1",
 	"technic:motor 1",
 	"technology:wire 2",
 	"default:bronze_ingot 6",
diff --git a/structures.lua b/structures.lua
index 80690b2..2fc65de 100644
--- a/structures.lua
+++ b/structures.lua
@@ -93,7 +93,7 @@ minetest.register_node("technology:armature_h", {
     }},
     tiles = {"steel_armature_top.png", "steel_armature_top.png", "steel_armature_top.png", "steel_armature_top.png", "steel_armature_h_side.png", "steel_armature_h_side.png"},
     walkable = true,
-    groups = {mecanic=1, oddly_breakable_by_hand=1},
+    groups = {mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -117,7 +117,7 @@ minetest.register_node("technology:armature_v", {
     }},
     tiles = {"steel_armature_top.png", "steel_armature_top.png", "steel_armature_top.png", "steel_armature_top.png", "steel_armature_v_side.png", "steel_armature_v_side.png"},
     walkable = true,
-    groups = {mecanic=1, oddly_breakable_by_hand=1},
+    groups = {mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -140,7 +140,7 @@ minetest.register_node("technology:grid_v", {
     }},
     tiles = {"bronze_grid_side.png", "bronze_grid_side.png", "bronze_grid_side.png", "bronze_grid_side.png", "bronze_grid_front.png", "steel_grid_front.png"},
     walkable = true,
-    groups = {mecanic=1, oddly_breakable_by_hand=1},
+    groups = {mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -163,7 +163,7 @@ minetest.register_node("technology:grid_h", {
     }},
     tiles = {"bronze_grid_side.png", "bronze_grid_front.png", "bronze_grid_side.png", "bronze_grid_front.png", "bronze_grid_side.png", "steel_grid_side.png"},
     walkable = true,
-    groups = {mecanic=1, oddly_breakable_by_hand=1},
+    groups = {mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -243,7 +243,7 @@ minetest.register_node("technology:floor", {
     }},
     tiles = {"floor_top.png", "floor_bottom.png", "floor_side.png", "floor_side.png", "floor_side.png", "floor_side.png"},
     walkable = true,
-    groups = {paffly=2, mecanic=1, oddly_breakable_by_hand=1},
+    groups = {paffly=2, mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -274,7 +274,7 @@ minetest.register_node("technology:stairs", {
     }},
     tiles = {"floor_top.png", "floor_bottom.png", "floor_side.png", "floor_side.png", "floor_side.png", "floor_side.png"},
     walkable = true,
-    groups = {paffly=2, mecanic=1, oddly_breakable_by_hand=1},
+    groups = {paffly=2, mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -296,7 +296,7 @@ minetest.register_node("technology:edge", {
     }},
     tiles = {"edge_side.png", "edge_side.png", "edge_side.png", "edge_side.png", "edge_side.png", "edge_side.png"},
     walkable = true,
-    groups = {paffly=2, mecanic=1, oddly_breakable_by_hand=1},
+    groups = {paffly=2, mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -322,7 +322,7 @@ minetest.register_node("technology:edge_angle", {
     }},
     tiles = {"edge_side.png", "edge_side.png", "edge_side.png", "edge_side.png", "edge_side.png", "edge_side.png"},
     walkable = true,
-    groups = {paffly=2, mecanic=1, oddly_breakable_by_hand=1},
+    groups = {paffly=2, mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
     drop = "technology:edge",
@@ -344,7 +344,7 @@ minetest.register_node("technology:triangle", {
     }},
     tiles = {"triangle_side.png", "triangle_side.png", "triangle_right.png", "triangle_left.png", "triangle_side.png", "triangle_side.png"},
     walkable = true,
-    groups = {paffly=2, mecanic=1, oddly_breakable_by_hand=1},
+    groups = {paffly=2, mechanic=1, oddly_breakable_by_hand=1},
     on_punch = metal_punch,
     sounds = metal_footstep,
 })
@@ -379,7 +379,7 @@ minetest.register_node("technology:ladder", {
   tiles = {"technology_ladder.png", "technology_ladder.png", "technology_ladder.png", "technology_ladder.png", "technology_ladder.png", "technology_ladder.png"},
   walkable = true,
 	climbable = true,
-  groups = {paffly=2, mecanic=1, oddly_breakable_by_hand=1},
+  groups = {paffly=2, mechanic=1, oddly_breakable_by_hand=1},
   on_punch = metal_punch,
   sounds = metal_footstep,
 })
@@ -422,7 +422,7 @@ minetest.register_node("technology:ladder_closed", {
   tiles = {"technology_ladder.png", "technology_ladder.png", "technology_ladder.png", "technology_ladder.png", "technology_ladder.png", "technology_ladder.png"},
   walkable = true,
 	climbable = true,
-  groups = {paffly=2, mecanic=1, oddly_breakable_by_hand=1},
+  groups = {paffly=2, mechanic=1, oddly_breakable_by_hand=1},
   on_punch = metal_punch,
   sounds = metal_footstep,
 })
diff --git a/tools.lua b/tools.lua
index acf736d..354c32b 100644
--- a/tools.lua
+++ b/tools.lua
@@ -14,7 +14,7 @@ minetest.register_tool("technology:wrench", {
 	tool_capabilities = {
 		max_drop_level=1,
 		groupcaps={
-			mecanic={times={[1]=1.00, [2]=2.60, [3]=4.00}, uses=0, maxlevel=3},
+			mechanic={times={[1]=1.00, [2]=2.60, [3]=4.00}, uses=0, maxlevel=3},
 		}
 	},
 })