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ARS Home Office of Communications Images Photos Sep09





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Image Number D1641-1 Visiting chemist Brajendra Sharma uses a standard four-ball test method to measure friction and wear properties of vegetable-oil-based antiwear additives. The additives can be used in either biodegradable or conventional lubricants and greases.  Photo by Peggy Greb.  640 pixels wide: (d1641-1.jpg)   Please visit our Image Gallery


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