"external" - key terms from Wikipedia

acute external	otitis
automated external	defibrillator
external
external	affairs
external	antenna
external	auditors
external	ballistics
external	beam radiotherapy
external	bearing
external	benefits
external	carotid
external	carotid artery
external	combustion engine
external	costs
external	debt
external	defibrillator
external	ear canal
external	examination
external	field
external	force
external	frame
external	fuel tanks
external	gills
external	goods
external	hard drives
external	hemorrhoids
external	isight
external	link
external	links
external	links section
external	magnetic field
external	network
external	os
external	otitis
external	programs
external	relations
external	rotator
external	safety
external	stakeholders
external	stimuli
external	storage
external	tank
external	validity
external	variable
external	world
general affairs and external	relations
internal and external
space shuttle external	tank
state for external	affairs
university of london external	system