Cuprager wrote in message

DONT BREAK THE CORNER OFF TO HAVE A
LOOK !!! Utter stupidity.

How do you think analysts take samples?

If it was asb then it is not
identifiable by eye...

It can be perfectly visible by eye. Positive identification requires a
microscope.

the fibres are 100x 'thinner' than a human hair.

Have you ever seen any? They vary. The larger 'fibres' are smaller
fibres clumped together.



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