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rCFs images after the shredding process and manual sieving: (a) rCFs sizing and shredding with the cutting mill; (b) rCFs fraction after the quad blade chopper shredding and sieving with a dimension higher than 300 µm; (c) rCF fraction with a dimension higher than 100 µm; (d) rCFs fraction with a nominal dimension of 100 µm.
