An installation kit assembly and method permit convenient installation of a drawer dishwasher in a cavity of a kitchen worktop, such that the front of the dishwasher is directed out from the cavity, the cavity having at least one inner wall. Exemplary systems create, update, and store indexes, and also provide a search facility to search indexed information. Further, in this invention a new method for organising the switching order based on the analysed data of mismatch of the current sources is presented. The second memory includes a corresponding plurality of data storage locations. An automation apparatus interacts with one form of the locking assembly to automatically install and remove the cover.