The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge The 4 colors of the construction site hat represent the 4 positions, and after comparing them, I have read the knowledge