Hi Ruth
> you need to include some paint and a tiny applicator, to daub a
> dot of paint on the back of each of your (10, or so) trained
> foragers, in order to distinguish them from new-arrivals.
That would introduce other variables including the (rather strong) odour
of the paint.
What is wrong with recording the numbers that are already on the
worker's backs ? There are unlikely to be any stray workers from other
sources with such numbers, so there is no room for confusion.
Regards & Best 73s, Dave Cushman, G8MZY
http://website.lineone.net/~dave.cushman or http://www.dave-cushman.net
Short FallBack M/c, Build 6.02/3.1 (stable)
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