Casement windows: A common window hinged vertically to swing in and out like a door and operated with a crank.The shutters of the window open like shutters of the doors. The window has a frame which is rebated to receive the shutters. The shutters consist of styles, top rails, bottom rails, and intermediate rails, thus dividing it into panels. The panels may either be glazed, or unglazed, or partly glazed and partly unglazed. In case of windows with double shutters, the outer shutters may have wire gauged panels for fly proofing
Sliding windows: These windows are similar to sliding doors. The shutters move either horizontally or vertically on small roller bearings. Suitable openings or grooves are left in the frame or walls to accommodate the shutters when they are slided to open the window. Such windows are provided in trains, buses and shops and bank counters.
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