Gasoline seperti argon, xenon, mempunyai konduktivitas panas yang lebih rendah daripada udara kering, sehingga bisa lebih meningkatkan lagi efisiensi thermal dari kaca double glazing. 3. Alumunium Spacer
On each individual occasion that I have noted the figures There was a few 4°C differe
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Just after operating tests and examining exterior and impartial facts, the BRE concluded tha
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