| http://www.w3.org/ns/prov#value | - The process from preparing concrete using the cementitious composition of (1) involves carefully mixing in the usual fashion said composition with water, aggregates and optionally a dispersing agent such as sodium tripolyphosphate, the amount of which (if present) being from 0.01 to 0.05% by weight with respect to the weight of concrete (cf. col. 4, lines 1 to 4; col. 5, lines 16 to 21 and 44 to 4
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