An electrical device cabinet includes a cabinet body, a front panel, and a positioning mechanism. In addition, the method and system also comprehend a hands-free implementation that is a practical solution to a very complex problem. One embodiment provides a method for the DRAM memory chip to be subjected to a self-test, during which the functionality of the memory cells is checked, in a time in which the memory cells of the DRAM memory chip are not accessed in an operative operating mode of the application apparatus. On the other hand, due to the closed formation of the fluid cooling circuit any dust input into the crawler drive and also any generation of dust by exhaust air can be avoided. A docking line may be wedged between the clip and the shaft of the boat hook to form a loop to engage a piling.