to carnelian is sard, which is generally harder. carnelian (also spelled cornelian) is a brownish-red mineral which is commonly used as a semi-precious gemstone. similar to carnelian is sard, which is generally harder and darker (the difference is not rigidly defined, and the two names are often used...
it's time for the next step in your career: becoming part of a continuing success story. when you join suncor energy, you're signing on with a major north american energy producer and marketer, and the first company to commercially produce crude oil from alberta's oil sands. at suncor, you'll find a solid...
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emissions of sulfur oxides and sulfates , major components of acid rain , are low. use of biodiesel also results in reductions of unburned hydrocarbons, carbon monoxide (co), and particulate matter. co emissions using biodiesel are substantially reduced, on the order of % compared to most petrodiesel fuels...
our transportation. we are working to improve energy efficiency and reduce ghg emissions. energy and climate change energy is essential to our daily lives. around the world, energy provides light and heat, powers our technology and fuels our transportation. we are working to improve energy efficiency...
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