The unexpected rain sets back the construction schedule by two weeks.

When smoke reaches the detector, it sets off the alarm.

Every morning, the old ferry sets sail from the harbor as the sun rises.

The carpenter organized the nail sets by size on the workbench before starting the trim.

The research team compared several data sets to identify common patterns across different experiments.

In the seminar, the professor explained how Aronhold sets classify plane cubic curves.

The museum displays several historic train sets that fascinate both children and adults.

In my topology class, we proved that countable sets can be dense in certain subspaces.

In combinatorics, null sets are usually ignored because they contain no elements.

Cantor sets often appear in discussions of fractal geometry and measure theory because of their counterintuitive properties.