벽돌공 및 블록공

• Measure distance from reference points and mark guidelines to lay out work, using plumb bobs and levels.
• Construct corners by fastening in plumb position a corner pole or building a corner pyramid of bricks, and filling in between the corners using a line from corner to corner to guide each course, or layer, of brick.
• Apply and smooth mortar or other mixture over work surface.

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