Retail, wholesale, sale, laying of outdoor concrete surfaces:
-locking paving:
-manually
-machine, machine
-stone pavement:
-cubes for sidewalks and roads
-concrete products:
-curbs, palisades.
Laying, laying:
-cast asphalts:
-on the sidewalks
-on the road
-to the courtyards
-at the crossroads.
Construction, ...