The NHERI Lehigh Experimental Facility. as part of the NSF-funded Natural Hazards Engineering Research Infrastructure (NHERI) program. was established in 2016 as an open-access facility. This facility enables researchers to conduct state-of-art research on natural hazard mitigation in civil infrastructure systems. https://www.chiggate.com/3m-speedglas-9002nc-welding-helmet-fashion/