diff --git a/code/defines/obj/weapon.dm b/code/defines/obj/weapon.dm
index 11572a0abda..17f6e2ce653 100644
--- a/code/defines/obj/weapon.dm
+++ b/code/defines/obj/weapon.dm
@@ -741,7 +741,7 @@
 
 /obj/item/weapon/extinguisher
 	name = "fire extinguisher"
-	desc = "Contains water for fighting fires."
+	desc = "A traditional red fire extinguisher."
 	icon = 'items.dmi'
 	icon_state = "fire_extinguisher0"
 	var/last_use = 1.0
@@ -760,6 +760,7 @@
 	name = "fire extinguisher"
 	desc = "A light and compact fibreglass-framed model fire extinguisher."
 	icon_state = "miniFE0"
+	hitsound = null	//it is much lighter, after all.
 	flags = FPRINT | USEDELAY | TABLEPASS
 	throwforce = 5
 	w_class = 2.0
@@ -1511,6 +1512,7 @@ eternal248: Found broken and buggy Z-levels 7-12, ended up leading to my discove
 	desc = "You can drill using this item. You dig?"
 	icon = 'surgery.dmi'
 	icon_state = "drill"
+	hitsound = 'circsawhit.ogg'
 	flags = FPRINT | TABLEPASS | CONDUCT
 	force = 15.0
 	w_class = 1.0
@@ -1521,6 +1523,7 @@ eternal248: Found broken and buggy Z-levels 7-12, ended up leading to my discove
 	desc = "For heavy duty cutting."
 	icon = 'surgery.dmi'
 	icon_state = "saw3"
+	hitsound = 'circsawhit.ogg'
 	flags = FPRINT | TABLEPASS | CONDUCT
 	force = 15.0
 	w_class = 1.0
diff --git a/code/game/objects/closets/extinguisher.dm b/code/game/objects/closets/extinguisher.dm
index 490ae2c8d37..1d503333d7f 100644
--- a/code/game/objects/closets/extinguisher.dm
+++ b/code/game/objects/closets/extinguisher.dm
@@ -1,87 +1,57 @@
-
 /obj/structure/closet/extinguisher
-	name = "extinguisher closet"
+	name = "extinguisher cabinet"
 	desc = "A small wall mounted cabinet designed to hold a fire extinguisher."
-	icon_state = "extinguisher10"
-	icon_opened = "extinguisher11"
-	icon_closed = "extinguisher10"
-	opened = 1
+	icon = 'closet.dmi'
+	icon_state = "extinguisher_closed"
 	anchored = 1
 	density = 0
-	var/obj/item/weapon/extinguisher/EXTINGUISHER = new/obj/item/weapon/extinguisher
-	var/localopened = 1
+	var/obj/item/weapon/extinguisher/has_extinguisher = new/obj/item/weapon/extinguisher
 
-	open()
+
+
+/obj/structure/closet/extinguisher/attackby(var/obj/item/O as obj, var/mob/user as mob)
+	if (isrobot(usr))
 		return
-
-	close()
-		return
-
-	attackby(var/obj/item/O as obj, var/mob/user as mob)
-		if (isrobot(usr))
-			return
-		if (istype(O, /obj/item/weapon/extinguisher))
-			if(!EXTINGUISHER)
-				user.drop_item(O)
-				src.contents += O
-				EXTINGUISHER = O
-				user << "\blue You place the extinguisher in the [src.name]."
-			else
-				localopened = !localopened
+	if (istype(O, /obj/item/weapon/extinguisher))
+		if(!has_extinguisher && opened)
+			user.drop_item(O)
+			src.contents += O
+			has_extinguisher = O
+			user << "\blue You place the extinguisher in the [src.name]."
 		else
-			localopened = !localopened
-		update_icon()
-
-	attack_hand(mob/user as mob)
-		if(localopened)
-			if(EXTINGUISHER)
-				user.put_in_hand(EXTINGUISHER)
-				EXTINGUISHER = null
-				user << "\blue You take the extinguisher from the [name]."
-			else
-				localopened = !localopened
-
-		else
-			localopened = !localopened
-		update_icon()
-
-	verb/toggle_openness() //nice name, huh? HUH?!
-		set name = "Open/Close"
-		set category = "Object"
-
-		if (isrobot(usr))
-			return
-
-		localopened = !localopened
-		update_icon()
-
-	verb/remove_extinguisher()
-		set name = "Remove Extinguisher"
-		set category = "Object"
-
-		if (isrobot(usr))
-			return
-
-		if (localopened)
-			if(EXTINGUISHER)
-				usr.put_in_hand(EXTINGUISHER)
-				EXTINGUISHER = null
-				usr << "\blue You take the extinguisher from the [name]."
-			else
-				usr << "\blue The [name] is empty."
-		else
-			usr << "\blue The [name] is closed."
-		update_icon()
-
-	attack_paw(mob/user as mob)
-		attack_hand(user)
-		return
-
-	attack_ai(mob/user as mob)
-		return
-
+			opened = !opened
+	else
+		opened = !opened
 	update_icon()
-		var/hasextinguisher = 0
-		if(EXTINGUISHER)
-			hasextinguisher = 1
-		icon_state = text("extinguisher[][]",hasextinguisher,src.localopened)
+
+
+
+/obj/structure/closet/extinguisher/attack_hand(mob/user as mob)
+	if(has_extinguisher)
+		user.put_in_hand(has_extinguisher)
+		has_extinguisher = null
+		user << "\blue You take the extinguisher from the [name]."
+		opened = 1
+	else
+		opened = !opened
+	update_icon()
+
+
+
+/obj/structure/closet/extinguisher/attack_paw(mob/user as mob)
+	attack_hand(user)
+	return
+
+
+
+/obj/structure/closet/extinguisher/update_icon()
+	if(!opened)
+		icon_state = "extinguisher_closed"
+		return
+	if(has_extinguisher)
+		if(istype(has_extinguisher, /obj/item/weapon/extinguisher/mini))
+			icon_state = "extinguisher_mini"
+		else
+			icon_state = "extinguisher_full"
+	else
+		icon_state = "extinguisher_empty"
\ No newline at end of file
diff --git a/icons/mob/human.dmi b/icons/mob/human.dmi
index 492f2537116..9b368fe427a 100644
Binary files a/icons/mob/human.dmi and b/icons/mob/human.dmi differ
diff --git a/icons/obj/ERP.dmi b/icons/obj/ERP.dmi
new file mode 100644
index 00000000000..972ddab18f6
Binary files /dev/null and b/icons/obj/ERP.dmi differ
diff --git a/icons/obj/device.dmi b/icons/obj/device.dmi
index 642186a3049..a92ebe5488f 100644
Binary files a/icons/obj/device.dmi and b/icons/obj/device.dmi differ
diff --git a/icons/obj/library.dmi b/icons/obj/library.dmi
index 98f9c04bd4d..927890cf663 100644
Binary files a/icons/obj/library.dmi and b/icons/obj/library.dmi differ
diff --git a/sound/weapons/circsawhit.ogg b/sound/weapons/circsawhit.ogg
new file mode 100644
index 00000000000..60098571dc2
Binary files /dev/null and b/sound/weapons/circsawhit.ogg differ