He adjusted the bite indicator until it sat perfectly on the surface, waiting for the slightest twitch.

The economist emphasized that leading indicators often signal turning points in the business cycle.

A sudden rise in short-term jobless claims often serves as a reliable leading indicator for an impending economic slowdown.

We used pH indicators to determine whether the soil sample was acidic or alkaline.

The lab technician reached for a pH indicator to test whether the solution was acidic or basic.

The pilot glanced at the airspeed indicator before takeoff.

The students used a chemical indicator to determine whether the solution was acidic or basic.

During the night flight, the pilot relied on the attitude indicator to maintain level flight when the horizon was obscured.

Please include the ordinal indicator when formatting the date to avoid confusion.

When formatting dates for the newsletter, she double-checked the ordinal indicators to ensure each day read correctly.