Cabinet fabricated out of thick board Exterior clad in laminated sheet Drawers & slide holding groovers made out of seasoned wood are serially numbered Each rawer has index cards & puller knobs An extra drawer is provided at bottom for keeping index card etc Dust proof is lockable Capacity (a) 500 (b) 1000 (c) 2000 (d) 3000 (e) 5000 (f) 10000 slides