The equipment is costly (lithography equipment especially) but everything around them is also very expensive, including building. Huge Class 4 clean rooms, wate

The equipment is costly (lithography equipment especially) but everything around them is also very expensive, including building. Huge Class 4 clean rooms, water purification, etc. There are lots of chemicals, acids and their processing involved. There are pipes moving liquid helium, nitrogen etc. Semiconductor fab is essentially a chemical plant.