Assertion: corrugated cardboard | /r/HasProperty | a layer of flat board
Facets:
Source sentences:
text: There is single-face corrugated cardboard (one layer of flat board with one layer of fluting), double-face corrugated cardboard (a layer of flat board, a layer of fluting and another layer of flat board) and double-double-face (a flat layer of cardboard, fluted layer, flat layer of cardboard, another fluted layer and then another flat layer), to name a few.
text: There is single-face corrugated cardboard (one layer of flat board with one layer of fluting), double-face corrugated cardboard (a layer of flat board, a layer of fluting and another layer of flat board) and double-double-face (a flat layer of cardboard, fluted layer, flat layer of cardboard, another fluted layer and then another flat layer), to name a few.