gypsum
Il y a 9 années
"Research collaboration between Finland and Russia to begin recovery of rare metals from a gypsum mountain and industrial side streams"
Publié sur VTT Technical Research Centre of Finland, le 08/10/2014 |
Il y a 10 années
"10 completely 3D printed houses appears in Shanghai, built under a day"
Publié sur 3Ders.org, le 01/04/2014 |