Do the ceramic tile seam not to wear beautiful seam wax (what's the difference?

Do the ceramic tile seam not to wear beautiful seam wax (what's the difference?

a: the ceramic tile seam wax is mainly used in archaize brick and inferior smooth brick, sew light brick generally don't need, the role of the seam wax mainly ceramic tile and the isolation effect between seam an agent, so the late clear over the seam an agent is very convenient.