Laying should include block that is level, plumb, and of proper height, according to specifications.

Process/Skill Questions:

NCCER Masonry Standards

Level One, Module One (28101-13): Introduction to Masonry

This module provides information about basic masonry materials, tools, techniques, and safety precautions; explains how to mix mortar by hand and lay masonry units; and describes the skills, attitudes, and abilities of successful masons.