silig annealed waa mid ka mid ah wax soo saarka ugu weyn ee our warshad, silig tie annealed madow waxaa laga sameeyey silig bir ah, inta badan loo isticmaalo sida silig xarig ama silig ku qabanaya dhismaha. Waxaan soo saari karnaa kala duwanaansho silig laga jaray SWG8-SWG22.