In fact, the small-scale paint bucket shotcreting machine plays a role of fast feeding. It can send materials to the wall quickly evenly, which can completely replace the manual direct scraping. The wall surface is uneven, sprayed several times, scraped several times sprayed on any surface several processes have nothing to do with the spraying machine, only related to your wall situation, its effect is the same as that of the wall surface scraped purely by hand , but the speed has been greatly improved. If the wall surface is flat, use small-diameter nozzle, spray thinner, polish it directly after drying. If the wall surface is uneven, use large-diameter nozzle to spray thicker, use scraper to collect it after spraying.