A dough moulder for producing moulded dough products of a desired size andor shape. The phase shifters 42 and 43 generate a phase difference of 180 degrees with respect to exposure light between the phase shifters and the transparent substrate 30. Each of the queues is assigned to one of the streams based on a predefined queue-to-stream assignment. The uncovered keyword is then used in the search engine associated with the electronic catalog of the vendor to locate one or more items in the electronic catalog of the vendor. The apparatus is provided with at least one processor configured to detect events triggering execution of the at least one application and to dynamically control use of the at least one execution resource in handling of the detected events based on a variable reflective of the operating conditions of the apparatus. The energy store comprises a plurality of modules that are exposed to stress due to repeated charging andor discharging and undergo an aging process as a result of said stress.