Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Pearling, Testimony of an Island Economy' has mentioned 'Oil' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| There were around 30,000 pearl divers by the end of 1930, as pearling was the principal industry in Bahrain prior to the discovery of oil in 1932. | WIKI |
| After the collapse of the pearling industry, most divers switched to the newly founded oil sector. | WIKI |