"Women Delivering Ice From A Truck On An Ice Route On The 16 September 1918. This Job Was Previously Only Done By Men But Due To The War, Women Were Recruited. Shortly After The End Of The First World War, The Natural Ice Trade Began To Be Overtaken By Production Of Ice Through Refrigeration Cooling Systems And Plant Ice"
Beautiful design
What do you know, masks didn't work then either.
Prove it, and then prove they don't work now.