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Paragraph 3

Original text. Later amendments are not shown.

In regulation 6(a), for the words “60-mesh sieve of”, there shall be substituted the words “a sieve of which the nominal aperture size is 250 micrometres and which complies with”, and for the words “240-mesh sieve of”, there shall be substituted the words “a sieve of which the nominal aperture size is 63 micrometres and which complies with”.