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| 21. | engraving machine |
| 雕刻机 |
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| 22. | photo engraving |
| 照相雕刻 |
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| 23. | crayon engraving |
| 似粉笔画的铜版画 |
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| 24. | ornamental engraving |
| 镂花 |
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| 25. | photoelectric engraving |
| 光电雕刻 |
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| 26. | process engraving |
| 三色版 |
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| 27. | wafer engraving |
| 晶片刻蚀 |
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| 28. | Engraving machines |
| 雕刻机 |
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| 29. | eccentric engraving |
| 偏心轮雕刻法 |
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| 30. | engraving chisel |
| 雕刻刀，雕刻凿子 |
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