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| Start / | Knowledge / | Safety Measures / |
| Accidentals | Changes | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Quality |
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Knowledge / Safety Measures / Silk Threads / Mistakes |
Silk thread mistake: printers term for a deviation caused by a silk thread mistake |
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Missing silk thread: postage stamp printed on paper without silk thread caused by mistake |
Silk thread colour mistake: printers term for a deviation from the intended silk thread colour caused by mistake |
Double silk thread: postage stamp printed on paper with twice instead of once silk thread caused by mistake |
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Shifted silk thread: postage stamp with shifted silk thread to another position as intended caused by mistake |
Oblique silk thread: postage stamp with silk thread shifted out of alignment caused by mis-take |
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