"Christmas ornaments, baubles, "christmas bulbs" or "Christmas bubbles" or Christmas “ball balls” are decorations (usually made of Blown glass, metal, wood, blown plastics, expanded polystyrene or ...
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ceramics) that are used to festoon a Christmas tree. Ornaments take many different forms, from a simple round ball to highly artistic designs. Ornaments are almost always reused year after year rather than purchased annually, and family collections often contain a combination of commercially produced ornaments and decorations created by family members. Such collections are often passed on and augmented from generation to generation." - (en.wikipedia.org 24.09.2020)