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The Mirror Has Two Faces

Mirror,mirror1.the wall,who is the2.(hot) of them all?

The question3.(take) on the meaning with Sloaris electric room heaters from Fondis of Thann,France.The devices are made from radiant glass,4.is used for windscreens(挡风玻璃)on planes and high-speed trains.In a room,they sort of look like mirrors.

The heaters consist of two glass5.(plate) sandwiched together.When volt,age(电流)is applied to a metallic lay(金属层)between the plates,it warms up and radiates heat to the room.To protect them from6.(break),the plates7.(make) from the same tempered glass used in8.(commerce) buildings.Fondis' Jean-Marie Trotzier says that installed costs for a9.(give) room are similar to that of electric baseboard heat,but that the panels(电热板)use 15 percent less electricity.

The panels,which come in10.range of colors,have been available in Europe for around three years,their U.S. debut will come as soon as the company finds a distributor.

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