| http://www.w3.org/ns/prov#value | - Thus, even when the skirt portion 18 is expanded upon pressing of the display switch button 13, the support portion 17 is held in intimate contact with the display screen 2 a, and therefore a foreign matter, such as dust, dirt and a water droplet, will not intrude into a gap or space between the display screen 2 a and the display switch button 13.
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