density

code/game/machinery/fuelcell_recycler.dm

@@ -3,8 +3,10 @@
 	desc = "A large machine with whirring fans and two cylindrical holes in the top. Used to regenerate fuel cells."
 	icon = 'icons/obj/structures/machinery/fusion_eng.dmi'
 	icon_state = "recycler"
-	density = TRUE
 	active_power_usage = 15000
+	unslashable = TRUE
+	unacidable = TRUE
+	indestructible = TRUE
 
 	///How much to recharge the cells per process
 	var/recharge_amount = 5
@@ -18,6 +20,11 @@
 	QDEL_NULL(cell_left)
 	QDEL_NULL(cell_right)
 
+/obj/structure/machinery/fuelcell_recycler/ex_act(severity)
+	if(indestructible)
+		return
+	. = ..()
+
 /obj/structure/machinery/fuelcell_recycler/get_examine_text(mob/user)
 	. = ..()
 	. += SPAN_INFO("It is [machine_processing ? "online" : "offline"].")