Assertion: brick | /r/HasProperty | formed
Facets:
value: from mud
type: CAUSE
value: from clay-bearing earth
type: OTHER
Source sentences:
text: The earliest bricks were dried brick, meaning that they were formed from clay-bearing earth or mud and dried (usually in the sun) until they were strong enough for use.
text: Once the bricks are formed and any subsequent procedures performed, they are dried to remove excess moisture that might otherwise cause cracking during the ensuing firing process.
text: The wide array of colors come from the firing process when the bricks are formed.
text: The use of bricks dates back to before 7,000 BC, when the earliest bricks were formed from hand-moulded mud and dried in the sun.