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

taken in or soaked up. To take up all attention / energy of something.

Continuing to exist or be in progress.

occasionally, rather than all of time.

on condition or understanding that. To make available; to supply for use.

Concerning mechanical robots.

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

A law limiting the growth or spread of something. direct and supervise.

of nature of copy. close or exact copy. To make one or more exact copies of itself.

Of the spying services; acting in secrecy. Ability to learn things or to consider situations.

act or process bringing change. Acts of making or becoming something else. To exchange one set of clothes for another.

team game in which ball is kicked.

Physical harm that is done to something. inflict physical harm on something.

Occasion when something can be seen, e.g. a movie. To let someone see something; display.

not natural.