In terms of product and commodity price, oil and natural gas are the main pillars of Brunei's economy. Other industries include construction, finance, agriculture, forestry and fishery, which are not developed. Most industrial equipment, agricultural products and daily necessities of Brunei are imported. Brunei currency is equivalent to Singapore currency and can be used mutually. Due to the high value of the currency, the price level is also higher than that of the neighboring countries.