A computer enclosure includes a chassis, a cover attached to the chassis and a lock system for securing the cover on the chassis. The sanitizing solution is produced at the ice hopper by mixing a concentrated sanitizing agent with water, whereafter the solution is sprayed over a harvest of ice as the ice is dropped into the hopper for conveyance through the vacuum ice conveyance system. The seat can be translated towards and away from the front surface. 2% yield strength of at least 300 Nmm2 which is characterized in that the 0. Subsequently, a modified simulated optical component is generated in that at least one low-index layer of the simulated optical component is divided into at least two partial layers and a mid-index layer is inserted between at least two of the partial layers.