Assertion: cardboard | /r/MadeOf | wood fiber
Facets:
Source sentences:
text: Cardboard is made from wood fiber, so recycling it saves both landfill space and trees.
text: According to the Merriam-Webster Online Dictionary, cardboard is made of cellulose or wood fibre and is similar to paper, but thicker.
text: Cardboard is made from wood fiber, so recycling it saves both landfill space and trees.