Re:Unsafe levels of toxic chemicals found in drinking water ...
by Qwertious on Thursday August 11, 2016 @07:33AM
(#12267356)
If you're not sure, just provide both of them, instead of providing neither.
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Re:Unsafe levels of toxic chemicals found in drinking water ...
by CamperBob2 on Thursday August 11, 2016 @03:42PM
(#12271067)
Fair enough. Looks like the OED has a paywall, but Webster covers the definition adequately: