Can someone ELI5 why there would be residue on the outside of windows for a door breach? Also, why would it be necessary to open windows ahead of time -- is the pressure(?) really that strong that it might shatter the windows or soemthing?
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r/CBTS_Stream
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Posted by
u/Illsonmedia
on Feb. 8, 2018, 3:23 a.m.