Thread: PT today
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Old June 17th 20, 05:49 PM posted to uk.transport.london
Arthur Conan Doyle Arthur Conan Doyle is offline
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Default PT today
Roland Perry wrote:

No they aren't. The majority are DIY dusk-masks, and the vent is to let
the moist air out.

Which kind of puts to rest the argument that masks protect others.
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