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One of the key features of insulated window units is the use of multiple panes of glass with a layer of insulating gas between them. This design helps to reduce heat transfer through the windows, keeping the indoor temperature more stable and reducing the need for heating and cooling. The insulating gas, usually argon or krypton, is a poor conductor of heat, further improving the windows' energy efficiency.

How to identify whether it is natural crystal
(1) Eyes: Natural crystals in the formation process, often affected by the environment always contain some impurities, when observing the sun, you can see light uniform fine horizontal lines or catkins. And the fake crystal mostly uses the residual crystal ballast, glass ballast melting, after polishing processing, color imitation, there is no uniform stripe, catch-like material.

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