using radio, microwaves, etc. to transmit signals. broadcasting, computer networking, or other communication using radio signals.

To regularly change the time when people work.

manufactured article or substance. Items that can be bought.

An instrument that shows temperature, speed etc..

One more, but not this. used to refer to additional person or thing of same type as one. One more (thing).

able to stick fast to surface or object. A substance used for gluing one thing to another.

set of railway vehicles forming train. To have as an essential, necessary or main part.

Concerned with or producing or caused by static electricity.

Putting electricity into a battery. To run quickly toward someone to attack them.

To regularly pay to receive a service.

Method or route used for sending or getting things. To dig a long hole for carrying water.

maintenance of constant difference in frequency between two or more connected circuits or components. To use marks to follow a wild animal.

To set up equipment so that it is ready to use.

act of describing or identifying something precisely or of stating precise requirement. Descriptions of the design to make some things.