action of measuring depth of body of water. To make a noise, e.g. to ring a bell.

To tell the appearance, sound, smell of something.

device that can both transmit and receive communications. Transmitters and receivers housed together in a single unit often for portable or mobile use..

To write letters or emails to someone.

belonging to or affecting particular person. advertisement in personal column of newspaper.

part or element of larger whole. Parts that some things are made up of.

To be evidence/an indication something will happen.

set of equipment used to generate and transmit electromagnetic waves carrying messages or signals.

imparting or exchanging of information.

To broadcast by using signals to a radio/TV. cause something to pass on from one place or person to another.

Collection of facts and details about something.

To offer or give something that is wanted, needed.

people employed in organization or engaged in organized undertaking such as military service.

part of telephone apparatus contained in earpiece, in which electrical signals are converted into sounds. Earpieces of telephones.

Group of homes built by government for poor people. To show something on a screen using light.