About: contaminant from the surface

Head noun: contaminant
Postmodifier: from the surface

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
native oxide	isap:207973418	0.727255
free iron	isap:419540671	0.715690
corrosion	isap:547722	0.502164
moisture	isap:84632043	0.473407
grease	isap:451626451	0.470497
oxide	isap:207973422	0.467948
oils	isap:419225456	0.456471
oil	isap:111124357	0.431350