Both cities have complex systems for the recovery, recycling and reuse of urban wastes--manufactured materials, organics, human wastes and wastewaters.
(Both cities; have; complex systems for the recovery, recycling and reuse of urban wastes--manufactured materials, organics, human wastes and wastewaters)
Both cities
have
complex systems for the recovery, recycling and reuse of urban wastes--manufactured materials, organics, human wastes and wastewaters