Helicopter: It is a tool used to smooth the surface of concrete, especially used in cases of floors of factories,
warehouses, workshops and gas stations, and it is often considered a final surface that does not need finishing.
* Polishing and polishing the upper surface of the hardened concrete. This process results in backfilling of the large
aggregates, densifying the surface of the concrete and eliminating any defects that may appear on the surface of the concrete.