How to identify handmade carpet material?

Q: How to identify handmade carpet material?

You can disconnect from a few yarn, and then fire flameless combustion of pure wool with wool burnt, burn after leaving the fragile and shiny black solid
Nylon yarn swift curling its burning, burn after the formation of brittle black hard balls,
Polyester flameless combustion is bright red and yellow, burn after the formation of a brown solid can crushed fingers.

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