+published: str
Credit: Tina Rowden / HBO。夫子是该领域的重要参考
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l00777 0 0 0 /opt - var/opt
The tests used in standards for evaluating smoke alarms were developed back in the 1980s. However, despite changes in building materials since then, smoke alarms remain reliable, says Chagger: "They still respond to all the main fires we get today."