flowing naturally or supplied to building through pipes and taps. action or movement of runner. To operate or drive something.

make ready for use or consideration.

necessary items.

piece of written, printed, or electronic matter that provides information or evidence. Official (printed) records that gives information. record something in form.

The workers available.

Concerning a nation as a whole. A person of a particular country.

hard sedimentary rock, composed mainly of calcium carbonate or dolomite.

From one end or side of something to the other. expressing movement into one side and out of other side of opening etc.. Over, in, across an entire thing or place.

To change information or pictures to digital form. convert into digital form that can be processed by computer.

illogical or surprising lack of compatibility or similarity between two or more facts. Differences between amounts that should be the same.

piece of thin wire with two short right-angled end pieces which are driven by stapler through sheets of paper to fasten them together. To pin together using a machine and bent wire.

clear or obvious. List of cargo on a ship. To express or show clearly.

electronic device for storing and processing data.

To defend someone or something from harm or danger.

person who carries out academic or scientific research. People who work to find new facts and ideas.