Wood, card, plastics, aluminium, loudspeakers, digital video displayed on monitor, MP3 player, amplifier, loudspeakers
![Nuclear Energy [Assembly]/Berlin '67](https://static.wixstatic.com/media/a01aa4_dc388f7e018145e8b29b43a8923c2e71~mv2_d_4922_3399_s_4_2.jpg)
