Panel lifter and floor socket
The working face of the suction cup has a curved surface. When the center of the suction cup is
pressed against a flat, nonporous surface, the volume of the space between the suction cup and the
flat surface is reduced, which causes the fluid between the cup and the surface to be expelled past the
rim of the circular cup. When the user ceases to apply physical pressure to the centre of the outside of
the cup, the elastic substance of which the cup is made tends to resume its original, curved shape.
Because all of the fluid has already been forced out of the inside of the cup, the cavity which tends to
develop between the cup and the flat surface has little to no air or water in it, and therefore lacks
pressure. The pressure difference between the atmosphere on the outside of the cup, and the
low-pressure cavity on the inside of the cup, is what keeps the cup adhered to the surface.
Pop-up floor socket outlet Female plug 250V/16A Telephone modular jack With housing,etc Reliable quality,low price
Inside function part can be changeable.copper or Aluminum material .square or round type available，package: 1 pcs/inner box, 20 Pcs/carton ，Usually used in supermarket, block of flats, high buildings, squares, airports, etc.
Different sockets available.
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