It is usually manufactured using scrap metal and angle iron. Both the bow and stern were also strengthened by heavy frames of double angle iron. The power head is usually supported by punched angle iron. Towers were built of numbered angle iron sections with concrete footings. Its construction is simple, of flat wrought iron plates, joined by rivets and angle iron. A 3-speed transmission was fitted, and the car used an angle iron frame. It was Lego-like system of pre-cut pre-drilled angle iron and steel plate. Her floor brackets were reinforced with angle iron and the cement was repaired. Three lengths of angle iron up to penetrated the cabin, injuring two passengers.