buildings

@jknauni (192)
India
December 16, 2006 12:35pm CST
Why 'X' marks are made on recently fitted Glasses of newly constructed buildings?
1 response
Mother May I
@tarheelnancy (1317)
• United States
16 Dec 06
I am thinking they are there so that people will know that glass is there, since is usually very clean and looks as if none is installed.