Union; Summit gambler banned from casinos for marking cards with invisible ink. Published: ; Aug. 21, 2014, 8:46 p.m.

In marking linen with permanent inks, care should be taken that the fabric is perfectly dry, as this prevents the ink from running; and it is essential at all times to use only quill pens ...

A marking system under which teachers are forced to use pink ink to write negative comments because red is ‘aggressive’ has been called ‘ridiculous’ and ‘debilitating’ for pupils and ...

To Remove Chemical Marking Ink Stains from Linen. June 25, 1853. Share on Facebook ...

Its 'Marking and Feedback Policy' reads: 'Marking should be in a different colour or medium from the pupil's writing but should not dominate. For this reason, red ink is inappropriate.' ...

Teachers at a secondary school in London have been told they must not use red ink when marking homework in case it upsets pupils. By Alice Philipson 22 April 2013 • 3:57pm .