>>19099396as already explained its for containment of reactions and to make sure the heat and pressure and chemicals stays inside.
>>19099399Turns out these Pyramids were way more complex than what most people thought and their chemical manufacturing processes were far more advanced than mixing shit together.
its far beyond what we understand today.
>>19099400during operation nobody would be inside the reaction chambers.
there were also conduits leading out of the pyramids (some made out of red granite and some out of copper pipes).
most of the chemical products could be easily collected in bowls.
also lots of "restauration" work in modern times made sure to alter these structures to hide their true usecase.