| http://www.w3.org/ns/prov#value | - For example, an extender pigment such as talc, clay, calcium carbonate, calcium sulfate, alumina, silica, calcium silicate and the like; a colour pigment such as titanium oxide, carbon black, iron oxide, lead oxide, ultramarine blue, phthalocyanine blue and the like; an anti-corrosive pigment such as lead silicate, calcium plumbate, lead chromate and the like and an antisetting agent such as collo
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