piece of mechanical or electronic equipment. To be left to do what you want.

unveiling of new aircraft or spacecraft.

relating to or making use of form of tape transport, used mainly to provide backup storage. method of relaying data over computer network as steady continuous stream. To split classes or students into ability levels.

Having happened or been done before this time.

action of showing something, or fact of being shown. To be easily seen or displayed.

Open land that is away from towns and cities.

fashionable. event or occurrence. To take place or occur.

combine with another to form whole.

manufactured article or substance. Items that can be bought.

continuing or valid to final destination. From the beginning of something until the end. Allowing you to pass between, or to.

Work that a person does to assist others. To maintain a piece of machinery so it runs well.

arousing curiosity or interest. To persuade to do, become involved with something.

regularly or habitually.

To demonstrate a logical relationship between.

Part of a book, newspaper, etc.. divide into sections.