assembly line به انگلیسی

From Longman Dictionary

asˈsembly line (also production line)
a method of making goods, especially cars or other machines, in a factory. It involves the product moving down a line of workers who each add a different part or do a different job

Example
a highly automated production line
Most blue-collar workers will not easily regain jobs on the assembly line
The first of the new cars has just rolled off the production line