16/30344246 DC

DC - Direct Current

Glass - A solid, typically transparent. Brittle and used in windows. The first patent granted in the UK was for Glass.

rubber - Synthetic rubber is any artificial elastomer, usually a polymer, and is used as a substitute for natural rubber.

rubber - Natural rubber is an elastomer derived from the latex containing sap of some plants.

Solar - the sun and the energy from the sun.

Equipment - A product or good that is tactile.

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