Hard to tell from the tv coverage, what the local French authorities are using, but high friction, (cannot use the term 'anti-skid'), white lining materials were available 20 years ago.
@mespilus started
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Hard to tell from the tv coverage,
what the local French authorities are using,
but high friction, (cannot use the term 'anti-skid'),
white lining materials were available 20 years ago.