diff --git a/code/game/objects/items/devices/PDA/PDA.dm b/code/game/objects/items/devices/PDA/PDA.dm
index f012afd839e..3608cfe2c1f 100644
--- a/code/game/objects/items/devices/PDA/PDA.dm
+++ b/code/game/objects/items/devices/PDA/PDA.dm
@@ -12,6 +12,7 @@ var/global/list/obj/item/device/pda/PDAs = list()
 	item_state = "electronic"
 	w_class = 1.0
 	slot_flags = SLOT_ID | SLOT_BELT
+	origin_tech = "programming=2"
 
 	//Main variables
 	var/owner = null // String name of owner
diff --git a/code/modules/clothing/shoes/magboots.dm b/code/modules/clothing/shoes/magboots.dm
index 7759f4bd7e6..c42f252bc26 100644
--- a/code/modules/clothing/shoes/magboots.dm
+++ b/code/modules/clothing/shoes/magboots.dm
@@ -9,6 +9,7 @@
 	strip_delay = 70
 	put_on_delay = 70
 	burn_state = -1 //Won't burn in fires
+	origin_tech = "magnets=2"
 
 /obj/item/clothing/shoes/magboots/verb/toggle()
 	set name = "Toggle Magboots"
@@ -52,3 +53,4 @@
 	name = "blood-red magboots"
 	icon_state = "syndiemag0"
 	magboot_state = "syndiemag"
+	origin_tech = "magnets=2,syndicate=3"
diff --git a/code/modules/detectivework/scanner.dm b/code/modules/detectivework/scanner.dm
index 937dd650b45..22d163ed820 100644
--- a/code/modules/detectivework/scanner.dm
+++ b/code/modules/detectivework/scanner.dm
@@ -12,7 +12,7 @@
 	slot_flags = SLOT_BELT
 	var/scanning = 0
 	var/list/log = list()
-	origin_tech = "engineering=3"
+	origin_tech = "engineering=3;biotech=2"
 
 /obj/item/device/detective_scanner/attack_self(mob/user)
 	if(log.len && !scanning)
diff --git a/code/modules/projectiles/guns/energy/special.dm b/code/modules/projectiles/guns/energy/special.dm
index cb3c942ad25..1e3cbce04a1 100644
--- a/code/modules/projectiles/guns/energy/special.dm
+++ b/code/modules/projectiles/guns/energy/special.dm
@@ -140,6 +140,7 @@
 	var/overheat_time = 16
 	var/recent_reload = 1
 	unique_rename = 1
+	origin_tech = "combat=2;powerstorage=1"
 
 /obj/item/weapon/gun/energy/kinetic_accelerator/shoot_live_shot()
 	overheat = 1