Merge pull request #15558 from SandPoot/mechs-are-vehicles

/obj/mecha ➡ /obj/vehicle/sealed/mecha

code/modules/mob/living/living.dm

@@ -1124,7 +1124,7 @@
 
 	amount -= RAD_BACKGROUND_RADIATION // This will always be at least 1 because of how skin protection is calculated
 
-	var/blocked = getarmor(null, "rad")
+	var/blocked = getarmor(null, RAD)
 
 	if(amount > RAD_BURN_THRESHOLD)
 		apply_damage((amount-RAD_BURN_THRESHOLD)/RAD_BURN_THRESHOLD, BURN, null, blocked)
@@ -1153,7 +1153,7 @@
 		visible_message("<span class='warning'>[src] catches fire!</span>", \
 						"<span class='userdanger'>You're set on fire!</span>")
 		new/obj/effect/dummy/lighting_obj/moblight/fire(src)
-		throw_alert("fire", /atom/movable/screen/alert/fire)
+		throw_alert(FIRE, /atom/movable/screen/alert/fire)
 		update_fire()
 		SEND_SIGNAL(src, COMSIG_LIVING_IGNITED,src)
 		return TRUE