diff --git a/code/FEA/FEA_fire.dm b/code/FEA/FEA_fire.dm
index 1ef4c74558f..1bd31295e88 100644
--- a/code/FEA/FEA_fire.dm
+++ b/code/FEA/FEA_fire.dm
@@ -97,13 +97,13 @@
 
 	var/turf/simulated/floor/location = loc
 	if(!istype(location))
-		del(src)
+		Kill()
 
 	if((temperature < FIRE_MINIMUM_TEMPERATURE_TO_EXIST) || (volume <= 1))
-		del(src)
+		Kill()
 
 	if(location.air.toxins < 0.5 || location.air.oxygen < 0.5)
-		del(src)
+		Kill()
 
 	perform_exposure()
 
@@ -137,18 +137,20 @@
 			return 0*/
 	return 1
 
+// Garbage collect itself by nulling reference to it
 
-/obj/effect/hotspot/New()
-	..()
-	dir = pick(cardinal)
-	return
-
-
-/obj/effect/hotspot/Del()
-	if (istype(loc, /turf/simulated))
+/obj/effect/hotspot/proc/Kill()
+	DestroyTurf()
+	if(istype(loc, /turf/simulated))
 		var/turf/simulated/T = loc
-		loc:active_hotspot = null
+		if(T.active_hotspot == src)
+			T.active_hotspot = null
+	loc = null
 
+/obj/effect/hotspot/proc/DestroyTurf()
+
+	if(istype(loc, /turf/simulated))
+		var/turf/simulated/T = loc
 		if(T.to_be_destroyed)
 			var/chance_of_deletion
 			if (T.heat_capacity) //beware of division by zero
@@ -161,6 +163,13 @@
 				T.to_be_destroyed = 0
 				T.max_fire_temperature_sustained = 0
 
-		loc = null
+/obj/effect/hotspot/New()
 	..()
+	dir = pick(cardinal)
 	return
+
+/obj/effect/hotspot/Del()
+	if (istype(loc, /turf/simulated))
+		DestroyTurf()
+	..()
+	return
\ No newline at end of file
diff --git a/code/game/objects/items/blueprints.dm b/code/game/objects/items/blueprints.dm
index e85867232b5..6847c684d17 100644
--- a/code/game/objects/items/blueprints.dm
+++ b/code/game/objects/items/blueprints.dm
@@ -64,7 +64,7 @@ move an amendment</a> to the drawing.</p>
 "}
 		if (AREA_SPECIAL)
 			text += {"
-<p>This place doesn't noted on these blueprints.</p>
+<p>This place isn't noted on these blueprints.</p>
 "}
 		else
 			return
diff --git a/code/game/objects/items/weapons/gift_wrappaper.dm b/code/game/objects/items/weapons/gift_wrappaper.dm
index c56a1acd86e..2f3e6960411 100644
--- a/code/game/objects/items/weapons/gift_wrappaper.dm
+++ b/code/game/objects/items/weapons/gift_wrappaper.dm
@@ -191,4 +191,4 @@
 		else
 			user << "\blue You need more paper."
 	else
-		user << "Theyre moving around too much. a Straitjacket would help."
\ No newline at end of file
+		user << "They are moving around too much. A straightjacket would help."
\ No newline at end of file
diff --git a/code/modules/mob/living/silicon/robot/robot.dm b/code/modules/mob/living/silicon/robot/robot.dm
index 479175007b6..f156a972b21 100644
--- a/code/modules/mob/living/silicon/robot/robot.dm
+++ b/code/modules/mob/living/silicon/robot/robot.dm
@@ -779,6 +779,9 @@
 		if(icon_state =="mopgearrex")
 			overlays = null
 			overlays += "eyes-mopgearrex"
+		if(icon_state =="Miner")
+			overlays = null
+			overlays += "eyes-Miner"
 	else
 		overlays -= "eyes"
 
diff --git a/code/modules/research/designs.dm b/code/modules/research/designs.dm
index 71a82e18544..01a720bf302 100644
--- a/code/modules/research/designs.dm
+++ b/code/modules/research/designs.dm
@@ -582,7 +582,7 @@ datum/design/paicard
 	name = "Personal Artificial Intelligence Card"
 	desc = "Allows for the construction of a pAI Card"
 	id = "paicard"
-	req_tech = list("programming" = 3)
+	req_tech = list("programming" = 2)
 	build_type = PROTOLATHE
 	materials = list("$glass" = 500, "$metal" = 500)
 	build_path = "/obj/item/device/paicard"
diff --git a/code/modules/research/research.dm b/code/modules/research/research.dm
index 3f2462cb3c9..137d0ed8565 100644
--- a/code/modules/research/research.dm
+++ b/code/modules/research/research.dm
@@ -231,7 +231,7 @@ datum/tech/syndicate
 /*
 datum/tech/arcane
 	name = "Arcane Research"
-	desc = "Research into the acult and arcane field for use in practical science"
+	desc = "Research into the occult and arcane field for use in practical science"
 	id = "arcane"
 	level = 0 //It didn't become "secret" as advertised.
 
diff --git a/code/unused/dna_mutations.dm b/code/unused/dna_mutations.dm
index 5ff2ec8185c..205798cd6ff 100644
--- a/code/unused/dna_mutations.dm
+++ b/code/unused/dna_mutations.dm
@@ -66,7 +66,7 @@ This system could be expanded to migrate all of our current mutations to. Maybe.
 		required = 2
 
 		get_mutation(var/mob/living/carbon/M)
-			M << "\blue You a pleasant warmth pulse throughout your body..."
+			M << "\blue You feel a pleasant warmth pulse throughout your body..."
 			M.mutations.Add(HEAL)
 
 /* /datum/mutationreq :
diff --git a/icons/mob/robots.dmi b/icons/mob/robots.dmi
index 03d2cdc6115..3e4ac55d2de 100644
Binary files a/icons/mob/robots.dmi and b/icons/mob/robots.dmi differ