معلبات الطعام

لماذا تصنع معلبات الطعام بشكل مستدير وليس مربعا او مثلثا مع زوايا حادة؟

Keep going معلبات الطعام 03 يناير 2013

لماذا تصنع معلبات الطعام بشكل مستدير وليس مربعا او مثلثا مع زوايا حادة؟

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