The first shaft was built in 1947. That time gypsum was transported only with a wagon.

第一竖井建于1947年，当时使用手推车运输石膏。

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The first gear wheel (5) can be transferred into a switched-on state, where the first gear wheel (5) is connected to the first shaft (2) in a rotationally fixed manner.

第一齿轮(5)能转变到接合的状态，在该接合的状态下第一齿轮(5)与第一轴(2)抗旋转地相连接。

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When the first shaft is inoperable, the second shaft handles loads acting on the articulation joint, and is not rotatable via the test element, thus indicating a failure of the first shaft.

当第一轴不起作用时，上述第二轴处理作用在铰接接头上的负载，并且因此不能通过测试元件旋转，这样指示所述第一轴出现故障。

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Rehabilitation work on the Silver Shaft began in the first quarter of this year and is now completed to around the 5, 700-foot level, which is around 400 feet from the shaft bottom, the company said.

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But I had just gotten out of elevator and just made a right turn into a hallway going towards my office, and that is when the first plane hit, and I believe, not exactly sure, but the flames went through elevator shaft, engulfed me.

CNN: WTC burn victim: 'I feel pretty lucky'