| 摘要 |
<p>The vertical shutters are fixed and braced to the base and filled with concrete to provide corner and intermediate columns. The building guide for building the brick or breeze block wall between the columns has two guide panels extending horizontally parallel to and facing each other, and they are spaced at a distance equal to the desired wall thickness. Each panel has a height at least equal to a construction block and less than the height of the wall, and it can slide up the vertical shutters and be locked into position.</p> |
