abstract appearance building compacted compacting firm firming flatten flattened groundwork level leveled leveling levelled levelling mark marked preparation prepared preparing sand sandpad work workmen yellow yellow-sand clear cleared development empty fences foundation-work foundations land levels property ready-for-building sand-pads suburban urban vacant vacant-block base black builders’-mesh concrete-work concreting construction edged edging form forming formwork foundation foundational mesh plastic pour poured pouring rough sheeting smooth smoothing solid solidify spread spreading strength strong sunlight surface surfaces textures tools working concrete concrete-pad concrete-pour fill filling flat flattening gray grey mix mixed wet