Extech CO10 Gas Meter

Battery - A device used for the storage of electricity

Alarm - A device which emits a sound at a pre-set time/event

Carbon - A common element, in its simplest form is coal. The element can take different form from hard diamonds through graphite to soft carbon

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.

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