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Use "lifebuoy" in a sentence
"In a MOB situation the lifebuoy is the most important item of first intervention."
"In the hours and days that followed the terrorist attacks on London, the Hyman family clung to that phone call like a lifebuoy, desperately telling themselves the call had come after 9.49am, the moment when 18-year-old Hasib Hussain blew himself up on the upper deck of a number 30 bus to Hackney."
"Is this yet another straw being grasped by that sorry gang of ill-trained cowboys, drowning in their sea of lies and excuses -- or is it a lifebuoy?"