When repairing the broken part in time, the mortar and debris at the junction should be cleaned up, watered and moistened, and filled with mortar to keep the mortar joint straight.
When filling at the break in time, the mortar and debris at the joint should be cleaned, watered wet, and filled with mortar to keep the ash seam straight.
When repairing the temporary break, the mortar and sundries at the joint shall be cleaned, watered and moistened, and the mortar shall be used to fill the mortar to keep the mortar joint straight.<br>