Since the first humans began to settle down as an agricultural society at the very dawn of civilization, continuing for thousands of years until the middle of the 19th century, only five mineral binders were used to create plasters and mortars.
IN A TIME OF CRITICAL SHORTAGES, DON’T UNDERESTIMATE THE VALUE OF EXISTING EMPLOYEES OR THE POWER OF PROGRAMS THAT ENCOURAGE NEW RECRUITS TO GO THE DISTANCE
Based on experience, I had come to believe that institutions of higher learning were more independent. But over time I found out that many of these reports were skewed.