In the name of God Installing bird repellent and deterrent Installing rust-proof metal mesh on windows Installing rust-proof metal mesh on tanks Installing rust-proof metal mesh on light wells. Installing rust-proof spikes on roofs Installing rust-proof spikes on air conditioners Installing rust-proof spikes on decorations Installing rust-proof spikes on bird perching areas A final solution, by the grace of God and the quality of work A final solution with a suitable price and rust-proof materials A final solution with an 8-year warranty on work and materials