معنى set

I need to buy a new set of science books.

He had three different sets of card games.

There was a set of assumptions regarding the incident.

I made a new whole set of photos for my fair.

The flight company offer hygiene set to every passenger.

The school had to set new rules to control students absence.

My mother asked me to set the table for dinner.

My father set his chair next to the window because he likes to sit there.

The machine was set to be on twenty-four hours a day.

We must set realistic targets for the project.