In the event of fire at warehouse 4 made warehouse 4 to be dirty in the area of fire. And made to have water mixed chemicals under the rack a lot which cleaning by maid one person or two persons is going to be difficult. It should be to bring the team with modern tools to clean warehouse 4 to look good and have the same landscape.
Kindly ask you to bring the cleaning team by O-wat maid come to clean up at warehouse 4.