The open circuit voltages of the batteries were measured.

Many invertebrates have open circulatory systems.

There are many open bars in the city.

There are many open calls for artists to submit their work.

The open balls cover the entire space.

Open proxies can be used to bypass internet restrictions.

Many modern homes have open floor plans.

The open seasons for hunting and fishing are in full swing.

The team missed several open goals during the match.

The opera houses are filled with traps to catch any unwanted pests.