Dulqaadka lagu dabaqi karo:
Dhexroor ka baxsan: ± 0.005 in (0.13 mm)
Dhumucda darbiga: + 10% ~ -5%
Dhumucda darbigu waa in aanu ka duwanayn 0.003 in (0.08mm) dhererka 10 cagood
Dhererka: ± 0.25 inji (6.4 mm)
Heerka: UL797-2000
Dhammaystirka: Zinc Plated, Pre-galvanized
Zinc dahaarka leh: fasalka 3, 80-120 g/m2;fasalka 4, 275-500 g/m2