Assertion: cleaning implement's shape | /r/HasProperty | irregular
Facets:
Source sentences:
text: However, the cleaning implement may also have an irregular shape.
text: In case the cleaning implement is based on an irregular shape and/or the extension of the thickness of the melamine foam layer varies (i.e., the layer is thicker in some parts of the implement as compared to others), it is sufficient that at least once the thickness of the melamine foam layer extends over the thickness required herein.