Abstract: A virtual reality (VR) system is provided for training a user to assemble a device in a virtual work area. The VR system sequentially displays an ordered list of steps by highlighting tools and locations in the virtual work area. The highlighted tools and locations indicate movement or processing of a component that is to be performed in the current step. In one embodiment, the VR system includes a haptic glove for providing touch sensation to a user. The haptic glove is used to train the user to detect issues in the surface finish of a component (e.g., a burr) during assembly.

Abstract: A method of providing a cured low unsaturated elastomer polymer of improved crack growth resistance under high flex conditions. Specifically, oxypropylene rubbers are compounded with small amounts of hexamethylene tetramine and polyhydroxyl aromatic compounds having less than 500 molecular weight.

Abstract: A composition comprising a rubbery copolymer of propylene oxide in admixture with a heat age resisting mixture of a nickel dialkyl dithiocarbamate and an imidazole where the ratio of the carbamate units to imidazole units is in the range of from about 16:1 to about 1:40. The composition has particular utility for providing a rubbery copolymer of propylene oxide having improved resistance to heat aging in a temperature range of about 100.degree.C. to about 170.degree.C.