About: radiation shield

Premodifier: radiation
Head noun: shield

Same concepts
http://dbpedia.org/resource/Radiation_protection

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
earth's atmosphere	isap:253367065	0.518900
lead	isap:311429004	0.332402
water	isap:157539213	0.244669