make a battery cell circuit with a torch bulb and then one of the wires should bo used to join the connection through teaching machine questions whose answers are connected from behind the board.
sbansaldm 3 months ago
how 2 make dis teaching machine?
muhammedaxin 4 months ago
make a battery cell circuit with a torch bulb and then one of the wires should bo used to join the connection through teaching machine questions whose answers are connected from behind the board.
sbansaldm 3 months ago
how 2 make dis teaching machine?
muhammedaxin 4 months ago