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The Ultimate Scientific and Technical Reference
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Friction, wear and lubrication
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Regulations
ELV (End of Life Vehicles).
European Directive 2000/53/EC on end-of-life vehicles stipulates that "materials and components for vehicles put on the market after 1 er January 2003 must not contain lead, cadmium, mercury or hexavalent chromium. The tolerance is 0.1% for lead and 0.01% for cadmium, provided that these substances are not intentionally introduced."...
Patents
Mc Comas, E. Nodular nickel boron coating, US patent N° 20040111947, 2004. (Universal Chemical Technologies Inc., Florida.
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