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Q2490
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What is size of window shutter in window designation ?12 WT 12??
Q2491
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Which type of windows are controlled by pulling metal weight?
Q2492
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What is the ventilator provided in continuation of Door/Window at its top?
Q2493
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Which window is provided on sloping roof?
Q2494
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What is the process of sinking the edge of one piece of timber to another by cutting grooves across its grains?