At 08:51 PM 8/21/2003 +0100, you wrote:
>The bottoms of cells with a thick midrib
>is are pared down by the bees who then use the wax to construct the walls.
>(They cannot do that with plastic foundation).

You can do this with plastic.  I've painted plastic foundation with wax
using a foam brush and it tends to build up the midrib and the bees use it
to construct the walls.  The seem to build it up faster than the normal wax
coated plastic, but I haven't run any scientific tests.

-Tim

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