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."
（二）冒用宗教、气功名义进行扰乱社会秩序、损害他人身体健康活动的；
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But even with that level of subterfuge, the abuser was conscious of "covering their tracks", cropping or altering any identifying features, says Squire. It was impossible to work out who, or where, Lucy was.
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The incident highlights broader concerns about India’s website blocking regime, said Raman Jit Singh Chima, Asia Pacific policy director at Access Now.