1. Limestone, in the case of the Giza pyramids quarried locally 2. Later pyramid builders relied on mud bricks made from an almost inexhaustible supply of Nile mud.
3. Thousands of slaves
geometry
they relied heavily on shipping.
They are not extensively industrialized. Their economies rely heavily on exports.
They rely on Natural Resourses
coal
Aristotle
Enthnography
Aristotle
kobe
Artistotle
tobacco
Biomass