The Xperia Z's makers said it can withstand sprays of water -- such as sprinkler play on a lawn or a water fight.

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The mains water feeding the emergency sprinkler system was severed.

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People can still water their gardens with a watering can and wash their vehicles using a bucket and sponge, which use a fraction of the amount of water that a hosepipe or sprinkler does.

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As an example, if a user draws a "W" on the dimmer, a signal could be sent to an IP connected water sprinkling system to turn on or off the sprinkler.

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Then a solution of calcium and water is applied by a modified winter gritting machine with a very fine sprinkler-like system attached.

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