Cold ocean water leaks through the rock, hits the red-hot underground lava and bubbles up to the surface.
We've been told to use buckets as we can't flush the toilets in case any contaminated water leaks out.
Sohgo says the bots can detect intruders, fires or even water leaks.
For the elderly especially, temperature sensors and water flow detectors should also be installed to indicate over or under temperature or the presence of water leaks.
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U.S. cities lose one-fifth of their water to leaks and suffer 1.2 trillion gallons of wastewater spills each year, according to the U.S. General Accounting Office.
The National Trust said it had suffered from "serious leaks and water penetration" and the castle would have "become inaccessible" if the conservation work was not carried out.
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Such data can also help prevent leaks in water pipelines.
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The biggest current scandal, relating to some dodgy police property deals, may pale beside the News International saga, but with its tactical leaks and water muddying it shares some of the same themes, and has already begun to expose the rot within South Africa's establishment with depressing clarity.
For the church, built over a cave which marks the traditional birthplace of Jesus Christ, the biggest problem is water damage from unrepaired leaks and the reluctance of the Greek, Armenian and Roman Catholic hierarchs to agree on any repair plan that might disrupt the Ottoman-era system for sharing access to the building.
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Here, ancient boulders spring leaks to release water that has been trapped within for tens of thousands of years.
The GE team began its energy treasure hunt at Weidmann by shutting down everything at the factory and searching for things like lights unnecessarily left on, compressed air leaks and running water.
In Manila, for instance, the World Bank had thrice lent money to the municipal utility, only to find that universal coverage remained a distant goal, much of the cash was siphoned off and half the water was still disappearing through leaks or theft.
Now, even though refined plans show an alternate route, environmentalists worry that if the expected 500, 000 to 700, 000 barrels of crude oil flow through the pipeline each day, leaks could contaminate the water and soil.
The robots they make are used to explore water and sewage pipes, and find leaks and breaks before they become expensive problems.
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Scottish Water has also been told to reduce leaks by a third.
In some places, the practice has been blamed for air pollution and gas leaks that have ruined well water, but the Obama administration and many state regulators say the practice is safe when done properly.
In some places, the practice has been blamed for air pollution and gas leaks that have ruined well water, but President Barack Obama's administration and many state regulators say the practice is safe when done properly.
Whatever happens with the weather, the Environment Agency expects that more and more people will be protected from floods and droughts thanks to water sharing between farmers, water transfer between water companies, and better management of leaks and demand.
The independent body said suppliers should reduce leaks, while customers could use water more efficiently.
The large hole is believed to have been caused by three small leaks on a four-inch water pipe.
But with the discovery of leaks, Tepco has to pump the water out of the pools earlier than it expected and store it above ground instead.
For 14 hours the sub was dead in the water while Higgins and his crew worked to stop the leaks and bring the reactor back online.
But if the well is not cemented properly, the gas leaks out into the other units, particularly drinking water aquifers, as it comes back up the well.
"20, 000 Leaks" will stretch you out as you try to stop water from rushing in through cracked glass.
Mr Smith claimed the problems "led to water draining out of the reservoirs, as the delay in fixing the leaks stretched out to 30 days, compared with the target of three days".
Buildings smoldered from fire and gas leaks bubbled up through brackish floodwater, occasionally catching fire and burning on the water surface.
According to the government's blueprint for dismantling Fukushima Daiichi, engineers will first have to repair the reactor building leaks, which could take six years, then drain the buildings of radioactive water, which could take an additional two years.
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Occurrences of flammable tap water, if not the result of existing gas transport pipelines, can be explained by totally unrelated gas leaks that occasionally occur around coal beds, which are far closer to the surface than natural gas deposits.
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