There are many pH indicators available in the market.

Leading indicators are used to predict future economic trends.

The airspeed indicators in the cockpit were malfunctioning.

Redox indicators are used in chemical reactions to determine the presence of oxidizing or reducing agents.

The attitude indicators in the cockpit provide crucial information to the pilot.

I have multiple bite indicators set up on my fishing rod.

Chemical indicators are used to monitor chemical reactions.

The dial indicators are used to measure small distances or angles.

There are many global indicators that measure economic growth.

The route indicators on the map help us navigate through the city.