Thread: call
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Unread Nov 3rd, 2015, 05:11 am
susan53 susan53 is offline
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Default Re: call

"calls for" would be more usual as it means "needs/requires"
"calls on" means "uses" so it's possible in the context, but I suspect it was "calls for" that was intended. Some examples :

1) needs/requires
Achievement of goals calls for knowledge of the conditions of action and the ability to modify them in use.
This calls for expertise in the fields of data acquisition, risk analysis, geotechnics and hydraulics.


2) used
For these disasters, Polynesians called on their knowledge of famine foods, ...
The panel called on their expertise to help them understand the issues, ...
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