11-17-2024, 11:13 AM
Permissive
Air brakes.
People who aren’t technical
probably believe
that “air brakes” mean
air puts brakes ON to stop.
No. Their genius is
air pressure keeps
brakes OFF
so if anything goes wrong
air escapes
and vehicle stops.
Now you understand
“fail safe.”
Air brakes.
People who aren’t technical
probably believe
that “air brakes” mean
air puts brakes ON to stop.
No. Their genius is
air pressure keeps
brakes OFF
so if anything goes wrong
air escapes
and vehicle stops.
Now you understand
“fail safe.”
Non-practicing atheist

