no.
You don't know it was Marcia that opened the Fire Door in the past.
no.
no.
no.
yes.
Look on the cctv monitor records.
Closed, it puts off the fire for a few seconds/maybe minutes. Then find your nearest exit and get out of there! :)
1 - The one to your mind. 2 - A Fire Door. 3 - An Emergency Exit. 4 - A Vault Door (Where valuables are kept ie: a bank)
Jack opened the fire-escape door, allowing his friends to sneak into the movie.
Backdraft is caused when large amounts of oxygen reenters places where there is both a fire and lack of oxygen. In a building fire, a opened window or door is likely to cause a backdraft.
when there is a fire you go out of the Fire Door.
Inspection of a fire door includes the following:Does the door assembly have an approval rating label?Is the door properly rated for the actual use?Does the opening have the required width when opened?Has the door assembly been field modified?Does the fire door self-closing mechanism work properly?Does the fire door automatic release (if any) work properly with alarm?If the release mechanism uses a fusible link, is the link rated properly?If there is locking hardware, does it function properly?Does the door swing in the proper direction?Does the door swing open into any other path of egress?If the fire door has two leaves, do they mesh properly?If an exit door is sliding or revolving type, is proper hardware installed for emergency use?