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In summer heat builds up in the area nearest the ceiling.
In winter cold air pools near the floor.
Now, if you have a catflap, we can retrofit a revolving door for your cat, which also ventilates your home, pushing cold air out, or pulling cool air in.
If your cat is really lazy he/she might
be also tempted to ride it around for a few laps.
Like this?
Revolving_20Cat_20Flap
tretchikoff's Revolving Cat Flap. [st3f, Sep 08 2005]
Annotation:
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sp: In winter you have thick drifts of snow near the floor. |
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