What does the gear on the dashboard mean?

gear

Bilingual control

Example:

1.

At the age of 20, as a Caspian naval lieutenant, he obtained a patent on the method of escaping from a fixed submarine without diving equipment, and was awarded the post of Patent examiners.

At the age of 20, he was a captain in the Caspian Sea Navy, obtained a patent on the method of escaping from a stationary submarine without diving equipment, and served as Patent examiners.

2.

Note: the gear operating mechanism is shipped from the factory and is "preset" to be installed on the valve in the closed position.

Note: the gear operating mechanism shipped by the factory is "preset" and installed on the valve in the closed position.