What are the signs of termite damage on a ceiling and how can it be repaired?

Signs of termite damage on a ceiling include sagging or drooping areas, visible tunnels or holes, and the presence of termite droppings or wings. To repair termite damage on a ceiling, the affected area should be inspected by a professional pest control expert to assess the extent of the damage. Repairs may involve replacing damaged wood, treating the area with termite control products, and reinforcing the structure to prevent future infestations.