Assertion: paper's pore size | /r/HasProperty | grade
Facets:
Source sentences:
text: The largest pore size is grade 4; the smallest pore size is grade 602 h; the most commonly used grades are grade 1 to grade 4.
text: The largest pore size is grade 4; the smallest pore size is grade 602 h; the most commonly used grades are grade 1 to grade 4.