| A | B |
| CMU | concrete masonry unit |
| OSHA | occupational safety and health administration |
| ASTM | American Society of Testing Materials |
| PSI | Pounds per Square Inch |
| Cubic Foot Box | measures volume of sand |
| 3 to 1 | Ratio of Sand to Mortar |
| Trowel | used to spread mortar |
| slicker | a type of hand jointer |
| bullnose block | block that has rounded corner |
| corner block | attaches to masonry corner to hold line |
| Level | used to plumb and level masonry units |
| 6.75 | total of modular brick in 1 Sq. Foot |
| 1.125 | total of block in 1 sq. foot |
| PPE | personal protective equipment |
| lintel | made of steel or concrete to cross masonry openings |
| Duo-Wire | metal wire reinforcement used in masonry |
| wall ties | used to attach masonry to different types of walls |
| chalk line | used to make straight line floors |
| head joint | vertical joint in masonry |
| bed joint | horizantal joint in masonry |