Culvert Casting: Forms the inner cavity for round storm drains, sewage passages, and small highway underpasses.Bridge Slabs: Creates lightweight, hollow-core concrete girders to reduce overall bridge superstructure weight without sacrificing strength.Pipeline Molding: Shapes cast-in-place concrete water conduits and industrial wastewater treatment lines.Pile Foundations: Acts as a removable mold for casting hollow concrete foundation pillars and marine piles.Retaining Walls: Forms interior void spaces or drainage weep holes inside heavy concrete retaining structures.