Preliminary tests have shown that ratings on tyre labels are not telling the full story. At mid-range speeds, an F-rated tyre performs as well as a B-rated tyre for fuel economy.
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  • 09.07.2014
Lubricants are used in motors, axles, ventilators and many other systems. Although lubricants are widely used, there have been almost no fundamental innovations for this product in the last twenty years.
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  • 06.06.2014

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