Black+Decker CS3651LC Screwdriver 3.6V 1 X 1.5Ah Li-Ion

LED - Light Emitting Diode - a small light source

Black - A colour which does not emit any colour of the spectrum. Black absorbs all frequencies of the spectrum.

Battery - A device used for the storage of electricity

screwdriver - A tool for driving screws. May be rotated manually or by electric motor.

Dark - A colour which absorbs visable ligt so apears less light than objects that reflect light

Torque - Torque is a measure of the turning force of an object. Such as a wrench turning a bolt, the higher the toque the higher the capability of undoing a tight bolt.

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Convenience - A way of being able to carry out a task with little effort

Home - A place of permanent residence for families.

Ideal - Something that satisfies a perfect criteria.

Li-ion - A rechargable battery. Popular in portable electronics combining one of the best energy densities and not suffering memory effect. Very slow loss of charge when not in use.

Torque - The force used to turn, rotate, an object about an axis. The higher the torque the greater the ability to turn.

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