equipment required for task or sport. Attempts to force a person to the ground. To start working on a difficult problem.

Giving all your attention to something. To take up all attention / energy of something.

continuing.

occasionally, rather than all of time.

on condition or understanding that. To make certain something will happen or be done.

relating to robots.

centre providing interconnections between different forms of telecommunications. transport or be transported across space and distance instantly.

A place which overseas or manages e.g. a factory. direct and supervise.

of nature of copy. close or exact copy. make exact copy of.

Of the spying services; acting in secrecy. ability to acquire and apply knowledge.

act or process bringing change. Exchanges of one set of clothes for another. To go from one train, bus, etc. and go to another.

team game in which ball is kicked.

Physical harm that is done to something. To harm physically; to hurt or break something.

action of showing something, or fact of being shown. To explain or teach how something is done.

(Something) made by people; not created by nature.