steve_bank
Diabetic retinopathy and poor eyesight. Typos ...
The thread for technology trivia and organs.
From a show, the revolving doors on tall buildings came about to deal with pressure differentials between inside and outside a building.
As solaces grew in entrances and buildings grew taller opening a regular front door could cause a sudden air flow.
From a show, the revolving doors on tall buildings came about to deal with pressure differentials between inside and outside a building.
As solaces grew in entrances and buildings grew taller opening a regular front door could cause a sudden air flow.