5 thoughts on “New Technologies of Heat Insulation”

  1. it’s better than nothing and probably not that bad use of low tech.

    I take it they are using dried reeds which are hollow so they’re good at keeping the heat in, especially when they rap it.

    The only problem is if they are careless and allow gaps a lot of the effectiveness is compromised.

  2. the straw protects tube , when temperature drop, it avoids it breaking, it will freeze less quickly trapped in the straw, which will be covered with plastic …

    nothing strange here! nothing new too…

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