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 Models for businesses in these categories will appear here
                    as we find them.
 
                    Taking 
                      back products & packagingBuying 
                      reused, recycled & compostWaste
                         prevention, reuse and repairDurability 
                      and disassembly; Services 
                      not productsEconomic 
                      Incentives (e.g., leases)
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