There is no known technology to reduce carbon dioxide emissions of Portland cement any further.

All known technologies and practices have only made incremental improvements to productivity and quality.

"Scans show negative for any known energy footprint, including all variations on known Romulan technology."

They believe that the disciplined Japanese skillfully exploit known technologies to their fullest potential in the marketplace.

Banks developed long-term relationships with their corporate clients, lending money for business expansion that relied on known technologies.

It's the only planet in the solar system we can transform with known technology: Venus may always be too hot.

The wealth of natural innovation found in biological organisms rivals all known technologies derived through synthetic means.

There is currently no known technology that allows for long-term suspended animation of humans.

Within the confines of Solow's model, this known technology is assumed to be constantly improving.

A narrow beam transmission was supposedly undetectable by any known technology.