WHY DOES THE ORB-WEAVER SPIDER NOT GET ENTANGLED IN ITS STICKY WEB-STRANDS?

The orb-weaver spider oils its feet with its mouth and walks on the sticky strands with impunity.
Orb-weaver spider
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Although some of the strands are smooth, the sticky strands are strategically placed to catch flies. The orb-weaver spider oils its feet with its mouth and walks on the sticky strands with impunity. It makes sure that its body does not get into contact with the sticky strands.

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