Cement masons must have a thorough knowledge of concrete characteristics and related materials. Also, they must know the effects of heat, cold, and wind on the curing of concrete. They must be able to tell by sight and touch what is happening to concrete in order to prevent defects.
Aptitude and Interest
Ohio Wage Averages
*Bureau of Labor Statistics, U.S. Department of Labor, Occupational Employment Statistics, [March 31, 2017] [http://www.bls.gov/oes/current/oes472051.htm]