Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Proto-urban Site of Sarazm' has mentioned 'Metal' in the following places:
Occurrence Sentence Text Source
[4] A large metal repertoire has been unearthed from the II, III and IV layers: daggers, awls, chisels, axes and decorative pieces were among the discoveries.
[8] There is ample evidence that the metal was actually worked in Sarazm using similar techniques as the ones used in Mesopotamia, the Iranian Plateau and the Indus Valley.
To protect the archaeological site, some areas have been covered by a metal roof while others have been reburied under soil.