The piano tuner replaced several worn natural keys to improve the instrument's playability.

During my trip to the botanical garden, I finally sampled a Kei apple and was surprised by its sweet-tart flavor.

I accidentally left my electronic car keys on the kitchen counter this morning.

Some authors prefer the spelling phase shift keying when writing about digital modulation schemes.

Engineers chose frequency-shift keying to send telemetry from the satellite because of its resilience to noise.

The new satellite modem uses phase-shift keying to efficiently transmit telemetry data over long distances.

The technician confirmed that the device communicates using frequency shift keying as its modulation method.

I rearranged the programmed function keys on my keyboard to speed up my workflow.

Please ensure the pre-shared keys are rotated regularly to minimize the risk of compromise.

As a proverb goes, 'a golden key can open any door,' and my grandfather used it to teach me that wealth often determines what is possible.