"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.
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"There is a considerable risk that more young people will slip into long-term worklessness, unless government acts to address the causes of this rise."，详情可参考服务器推荐