The result showed that the mined-out area can not induce impact ground pressure hazard, but partial caving may occur.

结果表明：该采空区不会发生冲击地压灾害，但可能发生局部冒顶。

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When LPG tanks are exposed to external fire, their temperature and pressure will increase rapidly, which may cause the tanks exploding and lead the secondary hazard with much more damage.

液化石油气储罐在火灾作用下，其内部的温度和压力迅速上升，从而会引起储罐爆炸，进而酿成危害性更大的二次灾害。

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Pressure bump mostly occurring in developing workings is a hazard posing severe menace to mining operations.

冲击地压是一种严重威胁矿井生产的灾害，大部分发生在采准巷道。

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Bartlit emphasized in his letter Thursday that cementing failures are a known hazard in the oil industry, with specific tests such as a "negative pressure test" and "cement evaluation logs" designed to identify cementing problems.

CNN: STORY HIGHLIGHTS