Carefully, he opened the panel that led into the hall.

He turned about and opened the panel to the study.

Then he opened the panel and looked into the room.

One night I saw the proprietor open the secret panel.

He moved to the left of the top section and opened the panel.

Opening the panel, he would see the glow of the office.

Open the panel and perform all work inside using one hand.

For a moment Jake didn't move, reluctant to open the panel.

With a feeling of dread, she opened the back panel.

Trip opened the panel next to her and found the manual release.