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

Developing, maturing. 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 perceived or understood.

place where road branches off from another. To move in an opposite direction or position.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. 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. To make or become larger in size or amount.

talk about something with person or people.

To measure or make a judgment about something.

Science or practice of flying aircraft.

form mental image of.