Assertion: fingermark's potential | /r/HasProperty | 1 kv
Facets:
Source sentences:
text: Of the 14 Iraqi samples that failed to give grade 4 ridge development, an attempt was made to enhance the visualization of the corrosion using a technique described previously in which a large electric potential (>1 kV) is applied to the brass sample disk followed by the introduction of a fine conducting powder, which adheres preferentially to areas of corrosion on the sample (3, 5, 6).