Seven years later he manufactured and sold the first commercially practical television set to the public.

Mass-impregnated paper-insulated medium voltage cables were commercially practical by 1895.

His route was not commercially practical; in addition to the time taken, some of the waterways were extremely shallow.

A commercially practical device is still years away, said Stephen Redfield, one of the inventors.

Oh, he was just showing that it was not commercially practical.

I will there show you that you know quite enough to help us make miniaturization efficient and therefore a commercially practical venture.

Efforts are under way to make the procedure commercially practical.

That same year Continental introduced the first commercially practical welded can.

It was not until after his death, however, that the company he founded marketed the first commercially practical milking machine, in 1918.

This procedure became commercially practical by 1752.