Sentence examples for is introduced about from inspiring English sources

The essential technical problem with the play is introduced about thirty minutes into this ninety-minute production, and it goes back to speech: Englander's characters talk too much.

Candles were introduced about 5,000 years ago, and gas street lighting was possible beginning in the mid-1700s.

They were introduced about four years ago.

The double-coiled filament used today was introduced about 1930.

Since the double-decker buses were introduced about a year ago, some drivers have complained about the brakes.

Direct visualization of viruses became possible after the electron microscope was introduced about 1940.

A simple form of chest of drawers was introduced about 1620.

It was introduced about a year ago, and we're working very closely with the M.L.S.'s to expand.

Steam-molding was introduced about that time, in which finished corsets were starched and shaped using steam.

Even though the first centrifugal pump was introduced about 1680, kinetic pumps were little used until the 20th century.

Widths of 50 inches (127 cm) and more could be produced by mechanized weaving, which was introduced about 1835.