Work or help that is provided by a company. To maintain a piece of machinery so it runs well.

undergoing natural development by increasing in size and changing physically. Act of cultivating plants for food. To get bigger and more mature; make plants do this.

complex of runways and buildings for take-off, landing, and maintenance of civil aircraft. A place where passenger planes land and take off.

Used before you explain something simply, clearly.

Easily understood and clear; plain to see.

place where road branches off from another. To become (a particular age).

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To accept or receive something happily and gladly.

traveller on public or private conveyance other than driver or crew. People who are traveling in a vehicle.

organization providing regular public service of air transport on one. Companies that fly passengers on its planes.

When one thing is replaced by another.

rise in size, amount, or degree of something. become or make greater in size or degree.

To talk about seriously or in great detail.

To measure or make a judgment about something.

Science or practice of flying aircraft.

To think creatively about; form mental picture of.