. область
•
They work in different segments (or branches) of the aviation industry.
•
This procedure is essential to every area (or branch, or domain) of chemistry and chemical engineering.
•
The study of carbon compounds is one of the oldest fields of chemistry.
Русско-английский научно-технический словарь переводчика. Михаил Циммерман, Клавдия Веденеева. 2003.