| http://www.w3.org/ns/prov#value | - Suitable coating materials include metals, sub-oxides such as metal sub-oxides, oxides including metal oxides, nitrides such as metal nitrides and metaloxynitrides, borides such as metal borides, carbides, sulfides, carbon such as diamond-like carbon and other amorphous carbon (e.g., poco, graphite or vitreous) materials.
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