Chemical Engineer with 50 years of experience, including 25 years of University teaching. Wjhat I see in the Article is that the US does not learn, they keep on using methods that have been proven failures.
raul cardenas
Chemical Engineer with 50 years of experience, including 25 years of University teaching. Wjhat I see in the Article is that the US does not learn, they keep on using methods that have been proven failures.