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| Start / | Knowledge / | Separation Methods / |
| Accidentals | Changes | Designs | Differences | Errors | Fakes | Kinds | Mistakes | Parallel Issues | Printers Waste | Safety Measures | Quality |
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Knowledge / Separation Methods / Perforations / Quality |
Perforation quality: subjective assessment of the quality of all properties of a perforation |
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Perfect aligned perforation |
Very good aligned perforation |
Good aligned perforation |
Slightly off centre perforation |
Somewhat off centre perforation |
Clearly off centre perforation |
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Perfect perforation |
Very good perforation |
Good |
Slightly deficient perforation |
Clearly |
Severely deficient perforation |
Perforation quality grades: subjective perception of a perforation quality in different grades and conditions |
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Faultless perforation: perforation without conditional of manufacturing or wrong handling originated quality defect |
Faulty perforation: common term for a perforation with conditional of manufac-turing or wrong handling originated quality defect |
Damaged perforation: perforation with quality defect originated by wrong handling |
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