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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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