Looking a solution for appliances that consumes large amount of electric energy in houses, Solar energy appears to be more suitable for the application. The network device drops packets on a random basis using a Random Early Detection algorithm. Moreover, the present invention also relates to the use of said poxvirus and said composition for the preparation of a medicament. The functionality of the monomers can for example be modified by the presence of hydrolysable groups. This disclosure also provides compositions comprising a compound of this disclosure and the use of such compositions in methods of treating HIV infections. A processor processes the outputs of the temperature sensors and produces an indication, such as an audible indication by an audible alert device, when liquid level is detected.