Most of the infrastructure will have been built just weeks before the event, but failure is not an option for sports events in particular. It's obviously unacceptable, says Wilson, "If you're five seconds late for the 100 metres."
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Rebecca MorelleScience Editor
"A lot of stately homes will have that system," says Niki Johnson, fire systems technical adviser for the UK Fire Association, a trade body, and owner of fire detection firm Derventio Fire and Security. "You could be looking at £3-4,000 just to do a corridor." Such installations require substantial pipework, he explains.
Москвичей предупредили о резком похолодании09:45