Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ruins of León Viejo' has mentioned 'Metal' in the following places:
Occurrence Sentence Text Source
Excavations recovered material consisted of: ceramic, porcelain, metal, wildlife remains and human remains.
During the excavation process several archaeological objects were found that corresponds to the pre-Hispanic period and a few to the colonial period, these artefacts were developed with different types of raw material, for example: lithic, human bones, clay, metal etc.
Metal: A metal sample consists of a number of nails and fragments (63) of different shapes and size, pins (4), and undetermined metal residue.
There was a piece of metal shaped as a "key" 4.7xc2xa0cm long.