Due to the nature of polyester and customer site specific requirements, Dynavac®provided the Hydra 5 SSFL machine. This industrial heavy duty vacuum cleaners is made with stainless steel and has a 5 HP flame proof motor. The power cables were copper flexible cable with double seal insulation.
the Britannia Mine Museum is clad pre-patinated copper panels (75 percent recycled content) that have developed a very site-specific blue-green patina http://www.copper.org/applications/architecture/awards/2011/Beaty-Lundin-Visitor/
Beautiful Upside Down Gardens Suspended From the Ceiling
17 Penny Projects. Pretty cool...hope it isn't illegal though messing with currency like this....also (to people not into penny collections)...there is a specific penny out there worth thousands of dollars....someday I hope to find it.