A. Microwaves B. Electrical signals C. Optical Signals D. Heat energy
A. Germany B. France C. Italy D. Belgium
A. February, 2000 B. March, 2000 C. Sept, 2000 D. None of these
A. Luca Attanasio(Italy) B. Alfrendo Pasto C. Luca kagil D. Mukato jalebi
A. Geneva B. Berlin C. London D. Quito