They use broken coloured glass to colour the glass in the making if " coloured Glass". They also use broken galss generally in making glass like they use scrap steel in steel making Rgds
Looks like she used to be one of Everards , either SOCIALITY ,or Pamela Everard mini bulker class .. nice ships although bit of a work up for 5 crew especially when it came to sweeping,washing out and drying out the hold .. I remember it well !
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