... 38 x 3,600mm (12') b) 24 x 32 x 3,600mm (12') c) 15 x 32 x 3,6000mm(12')2 ... ) Cross tee: a) 24 x 27 x 1,200mm ... (4') b) 24 x 27 x 600mm (2') c) 24 x 24 x 600mm (2') d) 15 x 32 x ... 600mm (2')3) Wall angle: a) 24 x 24 x 3 ... ,000mm (10') b) 22 x 22 x 3,000mm (10') c) 20 x 20 x ...