About: ground rod

Premodifier: ground
Head noun: rod

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

Broader concepts

label	provenance	confidence
make electrode	isap:262950466	0.736958
electrode	isap:262950464	0.536886
system	isap:211759556	0.427354

Narrower concepts

label	provenance	confidence
electrode	isap:487521456	0.186787