In message , Iain Archer
writes
could be checked and cleared within minites, rather than us all having
to endure a lengthy delay and be late for work.

irony smiley
So what special equipment did they have for checking it? Endoscope,
robot, portable X-ray machine, ..... ?

Probably the ever reliable "kick it and see if it goes boom" technique
I've seen station staff use on the underground :-)


--
Edward Cowling London UK