The Daily Drill (Construction WOTD)

Backfill: Dirt or other material used to refill a hole or trench after digging, often around a foundation.

See Full Digital Hard-Hat Dictionary

“The future of homebuilding stands on the foundation of the past—each brick laid, each beam raised, a lesson in innovation. To build forward, we must trust in technology, as history has shown us that progress is the blueprint of resilience.” — W.E. Skidmore, “Demystifying Residential Construction Data,” p. 29