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Comment by subscribed 2 days ago

I can imagine a firefighter, miner or steelworks worker relying on the smartphone in emergency. Like, seriously, a miner, half of a mile under the rock.... Carrying smartphone?

Heavy duty wearable tags and a dense network of wall-mounted relays pinging them and triangulating 24/7 can be the only solution. Sure you can use BLE beacons for that, and this is being solved with multiple competing products as we speak (look up "locating objects in warehouse"), but specifically for the human safety applications, they would have to be imposed by the regulators. Workforce is seen as disposable and nothing short of laws and regulations is going to force employers to improve safety.

6footgeek 2 days ago

Ex miner here (grasberg, Indonesia) - yes, we all had smartphones, at all times, and yes, we rarely had signal but if you went up to the surface / anywhere with signal, you would want your phone, so we all carried them.

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defrost 2 days ago

The majority of the worlds miners work above ground - they still run the risk of stope (wall) collapse, but they're unlikely to find themselves under half a mile of rock.

  In Australia, open-cut mining dominates coal production, accounting for over 80% of the total, while underground mining's share has decreased to around 15%. Open-cut mining is generally more efficient and cost-effective, allowing for higher recovery rates and larger-scale operations.

and

  It has been estimated that more than two-thirds of the world’s yearly mineral production is extracted by surface mining. There are several types of surface mining, but the three most common are open-pit mining, strip mining, and quarrying. These differ from one another in the mine geometries created, the techniques used, and the minerals produced.

( https://www.britannica.com/technology/mining/Surface-mining )

Like anybody else in the modern world, it's hard to pry smart phones away from mine workers ...

Miners warned to limit smartphones in the pit (2013) - https://www.itnews.com.au/news/miners-warned-to-limit-smartp...

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