Assertion: lens | /r/HasProperty | rubbed against abrasive fining pad
Facets:
Source sentences:
text: First, each lens is rubbed against an abrasive fining pad made of soft sandpaper.
text: First, each lens is rubbed against an abrasive fining pad made of soft After a second fining pad made of a smooth plastic is placed over the original sandpaper pad, the lens is polished again, as the fining machine rotates the pads in a circular motion while water flows over the lenses.