In the titration experiment, we added a few drops of an acid-base indicator to detect the endpoint.

Before takeoff, the pilot checked the rate-of-climb indicator to ensure the climb would be within safe limits.

The management team selected customer satisfaction score as the key performance indicator to measure our progress toward service excellence.

Researchers compared the body mass indices of participants across different age groups to study metabolic risk.

Analysts compared several stock market indices to assess global economic trends.

The pilot glanced at the bank-and-turn indicator to confirm the aircraft's coordination during the crosswind approach.

Researchers compared temperature-humidity indices across multiple cities to evaluate heat stress patterns.

During the quality review, the engineers examined the process window indices to determine which parameters needed adjustment.

All vessels are required to carry emergency position indicating radio beacons to ensure rescue teams can locate them quickly.

During the storm, the captain ordered the activation of the emergency position indicating radio beacon to alert nearby vessels.