آلة كأس الورق المؤازرة
كيف تحتفظ أكواب الورق بالمياه?
A كوب الورق is a disposable كوب made out of ورق and often lined or coated with plastic or wax to prevent liquid from leaking out or soaking through the ورق. It may be made of recycled ورق and is widely used around the world.
