1) The workers were busy walling up the gaps in the fence.

2) The fortress was fortified by walling off the entrances.

3) He spent the afternoon walling in the garden to create a secluded space.

4) The artist specialized in walling murals in public spaces.

5) The construction crew was walling the basement of the new house.

6) The ancient city was protected by walling that surrounded it.

7) She spent hours walling the dolls in the dollhouse with colorful wallpaper.

8) The farmer was walling off the pasture to keep the animals from wandering.

9) The project required walling in the swimming pool with bricks.

10) They were walling off sections of the warehouse to organize inventory more efficiently.