Bricks
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Hebrews 3:4
And every house is built by someone, but God is the builder of everything.
Exodus 1:11
So the Egyptians appointed taskmasters over the Israelites to oppress them with forced labor. As a result, they built Pithom and Rameses as store cities for Pharaoh.
Exodus 5:7
“You shall no longer supply the people with straw for making bricks. They must go and gather their own straw.