In reply to Stewart Robert Hinsley ) who wrote
this in lid, I, Marvo, say :

In message . com,
"Cat(h)" writes
And if she delivers on my permanent weeding hoe, she's guaranteed to
become a gazillionnaire, and even more worthwhile, my eternal
gratitude ;-)

A how with a reservoir (which you can fill up with glyphosate
solution) which is connected to the working surface by capillary
tubes?
I suspect that getting the delivery rate correct (and efficient) is
non-trivial, and that there's likely to be a problem with the delivery
tubes getting clogged at the outlet end.

Sounds like a VAX. Instead of soap, put roundup in it.

:-)