Abstract: The present disclosure provides a system for processing ultramafic material. The system may comprise a reactor for accelerating weathering of said ultramafic material. The reactor may comprise one or more chambers comprising one or more microbes, biological medicators, or enzymatic accelerants to facilitate the weathering of the ultramafic material.

Abstract: An impression coping device for customized implant restorative systems comprises a head having an end for mating with a dental implant fixture. The mating end of the head has a plurality of axially extending, radially resilient fingers for a radial friction fit onto an implanted dental fixture.

Abstract: An anti-theft device for vehicles having a steering wheel mounted on a steering column and having a hub, a plurality of spokes, and a rim, for securing onto the steering wheel of the vehicle to interfere with or prevent steering the vehicle. The device includes a jacket adapted to be mounted over the hub of the steering wheel; and a locking bar that interfits with the jacket to surround the steering column and secure the device on the steering wheel with the shaft on the locking bar extending between two spokes. The jacket and the locking bar are secured with a lock on the end of the locking bar shaft that extends between two spokes. The locking bar includes an arm that extends beyond the periphery of the steering wheel when the device is secured on the steering wheel to interfere with or prevent turning the steering wheel.