Sentence examples for are an indispensable source from inspiring English sources

In any company, in-house documents are an indispensable source of information for production.

Procopius, (born probably between 490 and 507, Caesarea, Palestine [now in Israel]), Byzantine historian whose works are an indispensable source for his period and contain much geographical information.

Instead his contemporaneous typewritten journals have now been published, abridged but not expurgated.Though an imperfect substitute for a reflective integrated work, the "Journals" are an indispensable source for historians and irresistibly readable.

In general, working group members provide valuable input in all the phases of the process and they are an indispensable source of information for researchers.

As Japan is a country with limited agronomic and livestock-raising potential, marine products are an indispensable source of food for the large population, and in 2005 provided about 61.2 kg of fish on a crude food weight basis and to 34.6 kg on a net weight basis for direct human consumption per year per capita.

— Paul, New Jersey A. The Times is an indispensable source of quality information.

The Tone River is an indispensable source of water for irrigation throughout its populous drainage basin.

This collection is an indispensable source of information for researchers in biochemistry, biotechnology, organic and analytical chemistry, and food sciences.

Accounting for almost 40 percent of the world's vegetable oils, it is an indispensable source of vitamins and calories.

Testing the vibration behaviour of present vehicles is an indispensable source of knowledge for further improvement of vehicle dynamics.

In any company, electronic data on Interactive Information Systems is an indispensable source of information for production (quality, safety. reactivity. etc).