| http://www.w3.org/ns/prov#value | - With the arrangement described above, referring to FIG. 3, a conductive liquid such as water or watery contents, which may possibly boil over from the pan 6 onto the touch pads 3, 4 and 5 will inevitably contact at first with the grounded loop conductor 14 before reaching the loop conductor 15 connected to the power turn-off pad 4, whereby the power supply is interrupted without fail.
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