تصميم أنابيب معجون الأسنان: من المعدن إلى الحلول المستدامة
On May 22, 1892, Dr. Washington Sheffield introduced the world’s first collapsible toothpaste tube — a tin-based container that solved a universal problem: toothpaste sold in open jars required consumers to share the same communal spoon, a practice that even 19th-century consumers recognized as unhygienic. That single packaging innovation didn’t just change oral hygiene; it […]
