Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Rock Art of Alta' has mentioned 'Metal' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The almost 5000 years over which carvings were made by the people of the late stone age and early metal age, saw many cultural changes, including the adoption of metal tools and changes in areas such as boat building and fishing techniques. | WIKI |
| Use of rock chisels seems to have continued even after metal tools came into use in the area. | WIKI |