toivoe

3 ms·

1. 1.▲
   43rd International Physics Olympiad's electrical experiment kit(hedgehog.ee)

   2 points by toivoe 14y ago|0 comments
2. 2.▲
   by toivoe 18y ago

   If possible ... Dont buy books, try marketing techniques in your own small enetrprise. In this way you will discover what works and what doesnt work.