The boy's upper arm bones show fractures typical of a headfirst fall from a great height.

那个男孩的上部肩胛骨呈现出的骨折是典型的从高处头部先着地的结果。

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It takes more than 10 seconds, for instance, for the lightest material we've made to fall if you drop it from shoulder height.

“它需要超过10秒，比如说，对于我们造的这种最轻的物质的下落，从齐肩的高度扔下来”。

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Personal protective equipment against falls from a height - Retractable type fall arresters.

防止从高处跌落的个人防护设备。收放式防跌落装置。

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Post-mortem tests showed Ms Anderson died from injuries consistent with a fall from height.

BBC: Lowestoft deaths: 'No other suspects sought'

Pathologist Dr Anthony Caslin said Bailey died after suffering a brain injury due to a fractured skull following a fall from height.

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She was found minutes later and a post-mortem examination has revealed she died of severe head injuries consistent with a fall from height.

BBC: Lowestoft deaths: Police went to Fiona Anderson's home