in the first picture you can see that there is something covern a 270sp0 pull station
in the second picture you can see and edwards 439d mounted crooked
in the 3rd picture you can see the same bell/strobe with a cage falling off in a basketball gym
and in the 4th picture coming back to the same device in picture 2 you can see the piston that rings the bell is not aligned/ falling off backplate which then would fail to notify occupants in an emergency
in the 5th and 6th image you can see wall mounted integritys on the celing in the 6th image you can see the integrity kind of falling off the ceiling