Working sites differ. Dependent on contract of work, you could be outside or indoors. You will be working with a lot of tools to aid you in your work. Some of the time you will be on hands and knees, so soreness after job should be suspected.
Experience is helpful.
It is also recommended to at least have the minimum of 144 hours of class room instruction every year. Written test and physical examinations are sometimes required. The need for terrazzo and mason workers is expected to decline for all jobs by the year 2006. As the population grows and the economy grows so will the need for mason and terrazzo workers.