Topic 539

concrete, grade, cement, floor, plant, brick, block, location, shop, methods, specifications, contractor, gravel, sewers, tunnel, track, grades, excavation, level, specification, satisfactory, vehicles, iron, sections, drain, suitable, additional, inspection, foundations, Construction, laying, engineers, considerable, drill, Cost, application, cable, consists, paving, Concrete, machine, carrying, job, awarded, joint, setting, piers, protected, drawings

Volumes with greatest proportion