I worked in a clean room for a couple of years-- you are correct that any contamination could cost months of cleaning. Possibly even losing environmental contro

I worked in a clean room for a couple of years-- you are correct that any contamination could cost months of cleaning. Possibly even losing environmental control of the facility. A lot of people don't realize clean rooms have temperatures/humidity factors that must be maintained. That being said I'm sure the real risk is the Chinese capturing the machines-- it is acknowledged they are about 15 years behind the state of the art.