He estimates they have been installed in about 100,000 guest rooms across the country.

On another wall, chains had been installed at about the height of a man's shoulders.

The system has been installed in about 700 of the nation's 4,000 large airplanes.

The east window was the first project and was installed about 1907.

One was a hot tub, installed about a year and a half ago.

By 1909, the company had installed it on about 100 miles of track.

For the family's use, the architect installed about two dozen ceiling fans.

The memorial was installed over the group burial site about a week later.

These points were installed about four months previously and had not been connected to the signal cabin.

A switch for a light must be installed on the outside of the closet, about 48 inches from the floor.