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2. Danger of too great a fall or rise of temperature in the night, 

 due to rise or fall of wind. 



3. Darkening of stable due to presence of muslin on windows 

 which renders stable gloomy and damp. 



4. Fouling of the muslin on account of changing directions of 

 air currents which wet the curtains permitting foul air to escape, 

 thus preventing the escape of foul air, so the curtains soon get 

 muddy in appearance and unsanitary in condition. 



