books problems facing the craft of engraving on copper
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Source: mawdoo3.com
مشاكل تواجه حرفة الحفر على النحاس (Info)
من المشاكل الشائعة التي تواجه حرفة الحفر على النحاس:
- الزيادة الكبيرة في ثمن النحاس ممّا أدّى لترك الكثير من الحرفيين هذه الحرفة.
- قلّة مرابح هذه الحرفة.
- استيراد منتجات نحاسية رخيصة الثمن من الخارج بالرغم من رداءته.
- ابتكار عمليات حفر بواسطة الحفر الكيميائيّ.
