During the lecture, the professor illustrated how to attach cross caps to a sphere to form a nonorientable surface.

The topology seminar focused on the classification of cross-caps in nonorientable surfaces.

At the county fair, the children proudly wore coonskin caps while reenacting frontier life.

Foragers should learn to tell edible fungi apart from death caps to prevent fatal poisoning.

We ordered new end caps to protect the exposed tubing on the scaffolding.

At the market, the artisan displayed several Breton caps decorated with embroidered anchors and stripes.

The researchers compared the volumes of several spherical caps to test the accuracy of the numerical integration method.

The hikers wore skull caps to protect their heads from the bitter mountain wind.

After the update, the developers added level caps to several classes to balance gameplay.

She collects vintage baseball caps from every city she visits.