writing notice display boards , writing / notice / display boards , 1.1 type ( a ) writing board white writing with dry marker ink ( vitreous enameled ceramic steel surface ) size: 600x900 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / 1200x3000 mm / any other size required by the department. , 1.1 type ( a ) writing board white for projection screen and writing with dry marker ink ( vitreous enameled ceramic steel surface ) size: 600x900 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / 1200x3000 mm / any other size required by the department. , 1.1 type ( a ) writing board green writing with chalk ( vitreous enameled ceramic steel surface ) size: 600x900 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / any other size required by the department. , 1.2 type ( b ) writing board white writing with dry marker ink ( regular modified polyster coated steel surface ) size: 600x900 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / 1200x3000 mm / any other size required by the department. , 1.2 type ( b ) writing board green writing with chalk ( regular modified polyster coated steel surface size: 600x900 mm / 900x1200 mm / 1200x1800 mm / 1200x2400 mm / 1200x3000 mm / any other size required by the department. , 1.3 type ( c ) writing board green writing with chalk size: 600x900 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / 1200x3000 mm / any other size required by the department. , 2.1 type ( a ) notice board, size: 600x900 mm / 600x1200 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / any other size required by the department. , 2.2 type ( b ) notice board, size: 600x900 mm / 600x1200 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / any other size required by the department. , 2.3 type ( c ) notice board, size: 600x900 mm / 600x1200 mm / 900x1200 mm / 1200x1500 mm / 1200x1800 mm / 1200x2400 mm / any other size required by the department. , 3.1 display & charting board, size: 600x900 mm / 600x1200 mm / 900x1200 mm / 1200x1500 mm / any other size required by the department. , 3.2 portable display system set of 3 notice boards with 4 poles 600x900 mm , 3.2 portable display system set of 4 notice boards with 5 poles 600x900 mm , 3.2 portable display system set of 3 notice boards with 4 poles 900x1200 mm , 3.2 portable display system set of 4 notice boards with 5 poles 900x1200 mm , 4. low dust chalk, confirming to is 2694 / 1963 set of 100 pcs , 5.1 type ( a ) stand for writing / notice board made of 3 legs 1800 mm height , 5.1 type ( a ) stand for writing / notice board made of 4 legs 1800 mm height , 5.2 type ( b ) stand pole for portable display system , 6.1 type ( a ) duster with magnet , 6.2 type ( b ) duster without magnet , 7. acrylic writing desk.