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The circular model is not yet commonplace in the engineering sector. The reuse of materials is sometimes seen as the source of a potential risk of defects, which could make it a more expensive solution in certain cases. In those situations, the safest choice is to opt to use new products, but that means that raw materials have to be extracted from the environment.

Against that background, the opportunities for making a real circular impact above all lie in cooperation throughout the ecosystem. This turnaround in thinking can be achieved by combining the knowledge and capacity of consultants, manufacturers, architects, wholesalers, technical service providers, sector organisations and government authorities, in the form of legislation and regulations that have an incentive effect. The greatest impact is expected to come from manufacturers who develop the technology and who are increasingly turning to the use of reliable circular materials. Wholesalers can make a contribution in the form of climate-neutral distribution.