d (#1)

code/game/objects/structures/beds_chairs/chair.dm

@@ -234,6 +234,7 @@
 	throw_range = 3
 	hitsound = 'sound/items/trayhit1.ogg'
 	hit_reaction_chance = 50
+	materials = list(MAT_METAL = 2000)
 	var/break_chance = 5 //Likely hood of smashing the chair.
 	var/obj/structure/chair/origin_type = /obj/structure/chair
 
@@ -317,6 +318,7 @@
 	max_integrity = 70
 	hitsound = 'sound/weapons/genhit1.ogg'
 	origin_type = /obj/structure/chair/wood
+	materials = null
 	break_chance = 50
 
 /obj/item/chair/wood/narsie_act()

code/game/objects/structures/grille.dm

@@ -23,7 +23,9 @@
 		if(RCD_DECONSTRUCT)
 			return list("mode" = RCD_DECONSTRUCT, "delay" = 20, "cost" = 5)
 		if(RCD_WINDOWGRILLE)
-			return list("mode" = RCD_WINDOWGRILLE, "delay" = 40, "cost" = 10)
+			if(the_rcd.window_type == /obj/structure/window/reinforced/fulltile)
+				return list("mode" = RCD_WINDOWGRILLE, "delay" = 40, "cost" = 12)
+			else return list("mode" = RCD_WINDOWGRILLE, "delay" = 20, "cost" = 8)
 	return FALSE
 
 /obj/structure/grille/rcd_act(mob/user, var/obj/item/weapon/construction/rcd/the_rcd, passed_mode)

code/game/objects/structures/morgue.dm

@@ -190,7 +190,7 @@ GLOBAL_LIST_EMPTY(crematoriums)
 	// Make sure we don't delete the actual morgue and its tray
 	var/list/conts = GetAllContents() - src - connected
 
-	if(conts.len <= 1)
+	if(!conts.len)
 		audible_message("<span class='italics'>You hear a hollow crackle.</span>")
 		return