After the flow of oil from well number one, work began on two different paths. The first is the continuation of oil exploration in various locations in Bahrain. The second is to start building the necessary infrastructure for oil production

Bitumen was used for waterproofing works throughout Bahrain's history. Many bitumen-coated Jars and baskets were discovered in different archaeological sites in Bahrain back to the era of  ............ (The answer should be one word)

The Bahrain Petroleum Company BAPCO was established as a subsidiary of 

The refinery’s expansion continued in stages, especially after the discovery of oil in Saudi Arabia in 1940. The refinery was used to refine Saudi oil

Bahrain has the right to 50% of oil production in the event that oil is discovered In the marine area in which the Abu Safah field is located, based on the agreement signed between Bahrain and KSA in:- (The answer should be in numbers)

The discovery of oil was the lifeline for Bahrain's economy. Bahrain was the first country in the region to discover crude oil in 1932. This discovery happened suddenly by chance.  

The first serious attempts to discover oil in Bahrain began with the efforts of:- 

On June 7, 1934, The first-ever shipment of Bahraini crude oil exported to:-

The Zallaq pier was used for a long period.

Bahrain's most important crop is  (The answer must be one word)