var/global/list/portals = list()					//for use by portals
var/global/list/cable_list = list()					//Index for all cables, so that powernets don't have to look through the entire world all the time
var/global/list/chemical_reactions_list				//list of all /datum/chemical_reaction datums. Used during chemical reactions
var/global/list/chemical_reagents_list				//list of all /datum/reagent datums indexed by reagent id. Used by chemistry stuff
var/global/list/landmarks_list = list()				//list of all landmarks created
var/global/list/surgery_steps = list()				//list of all surgery steps  |BS12
var/global/list/side_effects = list()				//list of all medical sideeffects types by thier names |BS12
var/global/list/mechas_list = list()				//list of all mechs. Used by hostile mobs target tracking.
var/global/list/spacepods_list = list()				//list of all space pods. Used by hostile mobs target tracking.
var/global/list/joblist = list()					//list of all jobstypes, minus borg and AI
var/global/list/airlocks = list()					//list of all airlocks
var/global/list/singularities = list()				//list of all singularities
var/global/list/janitorial_equipment = list()		//list of janitorial equipment
var/global/list/crafting_recipes = list() //list of all crafting recipes

var/global/list/all_areas = list()
var/global/list/machines = list()
var/global/list/machine_processing = list()
var/global/list/fast_processing = list()
var/global/list/processing_power_items = list() //items that ask to be called every cycle
var/global/list/rcd_list = list() //list of Rapid Construction Devices.

var/global/list/apcs = list()
var/global/list/air_alarms = list()
var/global/list/power_monitors = list()
var/global/list/all_vent_pumps = list()

var/global/list/navbeacons = list()					//list of all bot nagivation beacons, used for patrolling.
var/global/list/deliverybeacons = list()			//list of all MULEbot delivery beacons.
var/global/list/deliverybeacontags = list()			//list of all tags associated with delivery beacons.

var/global/list/beacons = list()
var/global/list/shuttle_caller_list = list()  		//list of all communication consoles, comms consoles circuit and AIs, for automatic shuttle calls when there are none.
var/global/list/tracked_implants = list()			//list of all current implants that are tracked to work out what sort of trek everyone is on. Sadly not on lavaworld not implemented...
var/global/list/pinpointer_list = list()			//list of all pinpointers. Used to change stuff they are pointing to all at once.
var/global/list/abductor_equipment = list()			//list of all abductor equipment

var/global/list/global_intercoms = list()			//list of all intercomms, across all z-levels
var/global/list/global_radios = list()				//list of all radios, across all z-levels

var/global/list/meteor_list = list()				//list of all meteors
var/global/list/poi_list = list()					//list of points of interest for observe/follow