'lolman? did you test your code?'

no i did not ms. kevinz

code/__DEFINES/dcs/signals.dm

@@ -270,6 +270,7 @@
 #define COMSIG_OBJ_DECONSTRUCT 	"obj_deconstruct"				//from base of obj/deconstruct(): (disassembled)
 #define COMSIG_OBJ_BREAK		"obj_break"						//from base of /obj/obj_break(): (damage_flag)
 #define COMSIG_OBJ_SETANCHORED 	"obj_setanchored"				//called in /obj/structure/setAnchored(): (value)
+#define COMSIG_OBJ_DEFAULT_UNFASTEN_WRENCH	"obj_default_unfasten_wrench" //called exclusively in plumbing, for now
 #define COMSIG_OBJ_ATTACK_GENERIC "obj_attack_generic"			//from base of atom/animal_attack(): (/mob/user)
 	#define COMPONENT_STOP_GENERIC_ATTACK 1
 

code/__DEFINES/plumbing.dm

@@ -0,0 +1,9 @@
+#define FIRST_DUCT_LAYER 1
+#define SECOND_DUCT_LAYER 2
+#define THIRD_DUCT_LAYER 4
+#define FOURTH_DUCT_LAYER 8
+#define FIFTH_DUCT_LAYER 16
+
+#define DUCT_LAYER_DEFAULT THIRD_DUCT_LAYER
+
+#define MACHINE_REAGENT_TRANSFER 10

code/__DEFINES/reagents.dm

@@ -57,6 +57,10 @@
 #define ADD_REAGENT		2	// reagent added
 #define REM_REAGENT		3	// reagent removed (may still exist)
 
+
+#define PILL_STYLE_COUNT 22 //Update this if you add more pill icons or you die (literally, we'll toss a nuke at whever your ip turns up)
+#define RANDOM_PILL_STYLE 22 //Dont change this one though
+
 #define THRESHOLD_UNHUSK 50 // health threshold for synthflesh/rezadone to unhusk someone
 
 //reagent bitflags, used for altering how they works