11. There is no evidence for far-reaching trade-contacts; no precious stones or other exotic materials were found. 12. Chemical weapons, because they can be made of non-exotic materials , are even more difficult to control. 13. The magical ingredient isn't smaller transistors or an exotic material cooked up by the semiconductor industry. 14. It is also becoming common to see experimentation like sawdust-based floating Rangolis, freeform designs and exotic materials . 15. This is not the case for composite materials, particularly as they use different and more exotic materials . 16. Use of exotic materials such as carbon fiber is restricted in an effort to keep boats affordable. 17. Some of the more exotic materials of construction are Inconel, titanium, chrome-moly and various other steel alloys. 18. Future brain implants may make use of more exotic materials such as nanoscale carbon fibers ( urethane. 19. Home experimenters have even designed speakers built from concrete, granite and other exotic materials for similar reasons. 20. Crane quickly proposed that the exotic material make its Western debut at the Newark Museum the following year.
