ʻO ke kila palahalaha galvanized e pili ana i ke kila galvanized me ka laulā o 12-300mm, he mānoanoa o 4-60mm, he ʻāpana ʻāpana ʻāpana a me nā ʻaoʻao blunt iki.Hiki ke hoʻopau ʻia ke kila kila, a hiki ke hoʻohana ʻia e like me nā blanks no nā paipu galvanized a me nā kaula hao.