The engineer is trying to figure out the internal structure of the black box, even though its function is already determined.

I found a blue box in the attic.

Box and Cox take turns doing the household chores.

I flew a box kite at the beach.

Please provide me with the box number.

This movie is grossing millions of dollars at the box office .

I was lucky to get a box seat for the concert.

I used a box spanner to tighten the nut.

The movie was a box-office success.

He put on the boxing glove and stepped into the ring.