About: environmental control system

Premodifier: environmental control
Head noun: system

Same concepts
http://dbpedia.org/resource/Environmental_control_system_(aircraft)

Broader concepts

label	provenance	confidence
number	isap:386310705	0.351403

Narrower concepts

label	provenance	confidence
air conditioning	isap:81243286	0.842892
ventilation	isap:143381905	0.517349
heating	isap:272679013	0.429025
cooling	isap:271480765	0.374495