A report by Ulrike Putz , Der Spiegel.

No matter what Israel does, the rockets from the Gaza Strip just keep coming.
Young men like Abdul are the reason why. He studies by day, but at nite he builds bombs for the Islamic Jihad. He and his fellow militants can build up to
100 per nite.

http://www.spiegel.de/international/world/0,1518,531578,00.html

Maybe we can start buying some from them, since we started running low on ammo last year.