| http://www.w3.org/ns/prov#value | - ale, or (ii) a substance listed in subsection 5(b) below, has been separated from other rock after being extracted or won with that other rock. (5) For the purposes of this Part a quantity of any aggregate shall be taken to be a quantity of aggregate that is exempt under this section if it consists wholly or mainly of any one or more of the following, or is part of anything so consisting, namely-
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