En outre, il semble sensé d'inclure le terme "essentiel" car il serait difficile de justifier pourquoi l'exception devrait privilégier les actes de reproduction qui ne constituent pas une partie "essentielle" d'un processus technologique.
In addition, including "essential" seems to make sense, as it would be difficult to justify why the exception should privilege acts of reproduction which are not an "essential" part of a technological process.
