supply of raw materials --1 m.s plate 150 x 20 mm 150 kg 2 m.s plate 100 x 10 mm 75 kg 3 m.s square bar 20 x 20 mm 40 kg 4 m.s square bar 12 x 12 mm 25 kg 5 m.s round bar 25 mm 50 kg 6 m.s round bar 15 mm 30 kg 7 aluminium round bar 40 mm 60 kg 8 aluminium round bar 20 mm 30 kg 9 aluminium plate 150 x 20 mm 150 kg 10 aluminium plate 100 x 10 mm 75 kg