Examples are disclosed for determining a logical address of one or more victim rows of a volatile memory based on a logical address of an aggressor row and address translation schemes associated with the volatile memory. the paraffin-based composition contains not less than 83% by mass of n-eicosane, not more than 13% by mass of n-octadecane, and not more than 17% by mass of n-nonadecane; the paraffin-based composition has a melting point lower than a melting point of n-eicosane; and the paraffin-based composition has latent heat of fusion of 230 Jg or more. The rotation of the winding arm is synchronized with the advancing of the cable drum, so that, during a linear movement of the cable drum, the advance per rotation of the winding arm corresponds exactly to the diameter of the trailing cable. Each speaker is located adjacent to and faces corresponding sound emission holes.