{HEAD ~ The equipment} permits a ten to fifteen fold reduction in {TAIL ~ the initial volume} of the refuse, together with a chopping operation which allows this volume to be maintained and to obtain refuse of a sufficiently uniform size prior to transportation or to disposal in landfill sites 
{ HEAD ~ The equipment } permits a ten to fifteen fold reduction in { TAIL ~ the initial volume } of the refuse , together with a chopping operation which allows this volume to be maintained and to obtain refuse of a sufficiently uniform size prior to transportation or to disposal in landfill sites
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