Out of these experiments, in 1930, came the dial-detector, an indispensable instrument for tapping wires in a city where few numbers are now called orally.
Rural land consolidation has been a very important and efficient development tool all over the world for a century and is now an indispensable instrument for rural sustainable development in China.
President Eisenhower's statement that "[c]orporations are indispensable instruments of our modern civilization; I believe that they shall act for the interest of the community as a whole," could easily be a motto for Ms. De Sisto and Bank of America.
The electorate's increasing dependence on television, radio and other mass media for news and information has made these expensive modes of communication indispensable instruments of effective political speech.
"They are indispensable instruments of our modern civilisation; but I believe that they should be so supervised and so regulated that they shall act for the interests of the community as a whole".
The notion of a truth value is an indispensable instrument of realistic, model-theoretic approaches to semantics.
The ECB must be backstopped by a European fiscal authority with several indispensable instruments: the ability to issue European treasury bonds and raise federal taxes, and the capacity for decisive action at the European level.
I urge those Member States that have not done so to sign, ratify and implement these indispensable instruments.
For both, a free press is an indispensable instrument.
By the mid-1980s, the flexible fiberoptic bronchoscope had become an indispensable instrument within the pulmonology and anesthesia communities.
