Arithmetic operations are essential in mathematics.

The chief operating officers are responsible for managing the day-to-day operations of the company.

There are often differences of opinion in a team when making important decisions.

I booked a flight with double open jaws.

Dyadic operations are essential in computer programming.

He has open sores all over his body.

Half-open intervals are commonly used in mathematics.

The re-re-opening of the store caused excitement among the customers.

The company's net operating incomes have been steadily increasing over the past few years.

The open covers of the boxes were damaged during shipping.