Assertion: honeycomb's cell | /r/HasAspect | perfect shape
Facets:
Source sentences:
text: No. 3466862 describes a structure comprising a regular cell having a perfect shape and an irregular cell having a cross-sectional area less than 80% of the cross-sectional area of the regular cell and the thickness of only the irregular cells which are not perpendicular to an outer wall is greater than that of remaining cells by 9-100%.