About 50,000 (140 a day) of these are in the home and kill nearly 500 and injure over 11,000, many which could have been prevented if people had an early warning and were able to get out in time. In fact you are twice as likely to die in a house fire that has no smoke alarm than a house that does.
A self-contained residential smoke alarm lasts about 12 years, but must be replaced no later than 10 years for safety. Some units now have a 10-year battery life or other features that cannot be extended, thus requiring it to be discarded and replaced at 10 years.
millions of lives are saved by animal testing
lots and lots of lives have been saved by airbags. its indeed very cool.
he saved many lives by yelling the regulators are coming although he was captured he still saved many lives
he saved many lives by yelling the regulators are coming although he was captured he still saved many lives
Yes, this futuristic invention they call a "four wheeler" has saved many lives.
many soo yeah many were saved like BILLIONS
If the smoke alarm lasts for ten years before you need to replace it, and the batteries should be replaced at least once per year, you would need to change the batteries of a smoke alarm ten times before you replace the entire thing.
not enough
lots
3,613,435 and counting
There are many reasons why it is important that a smoke alarm incorporates CO2 sensors in them. Many people have died as a result of carbon oxide poisoning so it is important to be able to detect dangerous levels of the element.