17 grinding mill machine parts, namely, rubber liners and rubber rings for use in the inside of grinding mill machines; protective linings for industrial use, namely, soft and hard, natural and synthetic rubber linings; grinding mill machine parts, namely, rubber liners for lifters in grinding mills; products for absorbing vibration and for electrical insulation in railroad crossings and embedded rail transit applications, namely, subway support pads; products for absorbing vibration and for electrical insulation in railroad crossings and embedded rail transit applications, namely, rail boots, flangeway formers, clips for rail boots, sleepers, ties, gauge screws, transition cuffs, insulated joint cuffs, restraining rail boots, special track work encapsulation, and enclosed /shallow flangeways; products for absorbing vibration and for electrical insulation in railroad crossings and embedded rail transit applications, namely, clips for securing polymer rail seals and tools for installing such clips, broom elements, rubber inserts for crossing panels, journal pads, track pads, marine bumpers, and platform nosings