Step-by-step explanation:
The structure of the excerpt reveals Cash's personality through his meticulous attention to detail and practicality. He demonstrates a keen understanding of construction techniques and explains his choice of making the surface of the object "on the bevel," providing more gripping surface for the nails. This attention to detail and emphasis on functionality reflects Cash's meticulous and methodical nature. He carefully considers how water moves and the positioning of seams and joints based on the typical upright posture of people in a house. This reveals Cash's practical mindset and his tendency to think through things thoroughly to ensure they are built or done correctly.