11. Mineral fuel prices fell 3 . 3 percent in November from the previous month.12. Canada has invested in mineral fuel exploration and automobile construction. 13. The index of mineral fuels , lubricants, and related materials decreased to 672.5 in July. 14. These decreases were partly offset by a 2.2 percent increase in mineral fuel prices. 15. A small increase was experienced by 1991 when mineral fuel imports increased to 23 %. 16. Successful mineral fuel and nonfuel mineral exploration could result in increased mineral commodity development opportunities. 17. Mineral Fuel , Lubricants Top Q4 1997 Imports, BUSINESS DAILY18. While Indonesian imports from Oman are product of mill industry, mineral fuels and inorganic chemicals. 19. Mineral fuels , lubricants 19109 21706 13.6 Machinery other than20. Excluding mineral fuels , of which crude is a part, the index rose 2.5 percent from April.