steel security door, ceco brand, industrial style, sturdy hinges, reinforced frame, textured finish, matte gray color, keyhole detail, handle close-up, emergency exit sign, concrete wall, dimly lit corridor, fluorescent lighting, wide-angle shot, high contrast, sharp focus, metal texture, cold atmosphere, modern architecture, safety feature, durable material, industrial building, side view, emergency push bar, fire-resistant, soundproofing, weather seal, heavy-duty, close-up of locking mechanism.