| 摘要 |
An alignment device for assembling a masonry joint includes a main body configured to slidably engage a generally vertical support pole, the main body including a first arm and a second arm projecting away from the main body, the first arm defining a predetermined angle relative to the second arm, and a reel assembly on the main body for supporting a reel of string, the main body further including a string guide between the reel assembly and the first arm for guiding a string from the reel to the first arm. Also a method of building a wall using the alignment device.
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