device for making and breaking connection in electric circuit. Changes or shifts from one method to another. To put something electrical on or off.

middle of circle or sphere. In the middle of something. occur in.

Use or knowledge of science in industry etc..

Amount of food you are given on your plate. To act to enable a person to do something; assist.

having paid employment. action of doing work. To do your job in your company or workplace.

existing in or as part of tradition.

State of being not yet evident or active.

used for or engaged in speech. action of conveying information or expressing one's feelings in speech. To use words to tell information, express thoughts.

To depict art objects, figures, scenes; to portray.

flowing naturally or supplied to building through pipes and taps. The act of moving your legs to move quickly. (Of a road) to go from one place to another.

person who manufactures articles of cast metal. (Of business, idea, etc.) to fail.

use or operation of computers. To find out by calculating or estimating.

Adding extra length. Telephone for individual person, e.g. In an office.

A structure with a roof and walls, e.g. a house. To construct a house, office, factory.

Not of the same kind; unlike other things.