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Six pictograms, including one illustrating a stylised bottom, have been accepted as the global standard for the use of electric toilets.

Japan's says that the six illustrations have been accepted by ISO, the International Organization for Standardization, to show users which buttons to press when operating high-tech Japanese toilets and bidets.

The Ministry of Economy, Trade and Industry says it's aimed at making life less daunting for tourists visiting the country, especially given the rush of visitors expected for the 2020 Summer Olympics in Tokyo.

The Japan Sanitary Equipment Industry Association devised the symbols last year after manufacturers agreed to use the same images on all of their products, and they've now declared that "anyone can use an electric toilet with confidence".

They that the standard symbols will help sales of the high-tech toilets, complete with their hot-water flushes and self-closing lids, around the world.

Reporting by Alistair Coleman

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