WORLD CIVILIZATION

Detailed explanation-1: -Mass-Produced Bricks To make up for a shortage of stones and timber for building houses and temples, the Sumerians created molds for making bricks out of clay, according to Kramer.

Detailed explanation-2: -The materials used to build a Mesopotamian house were similar but not exact as those used today: reeds, stone, wood, ashlar, mud brick, mud plaster and wooden doors, which were all naturally available around the city, although wood was not common in some cities of Sumer.