PACKAGING DESIGN AND MATERIAL EVOLUTION IN CITIES The development of cities contributed to innovation immensely. When people became able to move farther with unspoiled foods, products, and supplies, the concept of trading started. Eventually, it brought sophistication in packaging materials and products. The discovery of blown glass played a pivotal role in the evolution of packaging. The introduction of adhesives and industrial glues also played a significant role. During this period, wooden barrels were invented as well. The problem of bulk storage was solved quickly with this go-to packaging form. These containers allowed people to carry large quantities of liquids and dry goods with ease.
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