Sentence examples for sources are those from inspiring English sources

Primary sources can be defined as the direct sources of sulfates in their natural form, as sulfate-bearing minerals such as gypsum while, the secondary sources are those that are not a direct source of sulfate but give out sulfates as a by-product of oxidation or other forms of chemical interactions.

Point-of-entry sources are those that directly enter the distribution system.

Primary sources are those that are used to derive main disease names; some of them also supply annotations (15 sources).

Secondary sources are those from which only annotations, aliases, and/or external IDs to existing diseases are derived (29 sources).

Secondary sources are those that discuss information from primary sources.

Because that is what our intimate group of 5 billion fellow Olympic fans did -- and by the way, the two biggest sources were those old-fashioned networks (dare I say platforms?) BBC in the UK and NBC in the U.S.

cUncertain sources were those where the treating clinician was unable determine the aetiology.

As explained above populations considered as potential sources were those with a first observation year ≤2003, including the CSE European outbreak itself, with the exception of Friuli which was excluded from the analysis.

But if 9to5Mac's sources are correct, those may be getting a major overhaul soon.

Where our energy sources are concerned, those risks are higher than you might think.

Another question is this; if all or most of the sources are natural, what are those sources, besides vulcanism?