The mobile app geo-fenced the festival grounds to send push notifications only to attendees inside the venue.

The security system geo-fences suspicious devices to restrict network access.

Our app uses geo-fencing to trigger notifications when users enter or leave a designated area.

After the heavy rains, we repaired the sand fence downstream to prevent more sediment from moving into the marsh.

After the storm, volunteers repaired the sand fences along the coastline to protect the dunes.

During the lecture, the professor explained that 'nigger in the fence' was a dated ethnic slur used to suggest a hidden problem.

The archivist highlighted the phrase 'niggers in the fence' in the document as an example of offensive, racially charged language.

The rancher inspected the buck fences to make sure the male deer couldn't wander into the pasture.

Farmers installed electric fences to keep deer out of the fields.

The rancher checked the snake fences at dawn to make sure no venomous intruders had slipped through.