| 摘要 |
Apparatus for enabling a liquid or dye to be conveyed from a source to a nib of a market pen ( 10 ) comprises a docking member ( 12 ) having an opening which is shaped and dimensioned to receive and engage with an end portion of a market pen including the pen nib ( 18 ) and to place the tip of the pen nib in contact with the source thereby enabling liquid or dye to flow from the source to the nib. The liquid may comprise a translucent liquid such as water and the dye may comprise an indicator such as a water-based ink containing coloured dyes, dispersed pigments or other colouring media.
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