Just hold a glass cup of a particular size and
construction, and a
leaded glass cup of the same size and construction and you will see
how much stronger the leaded glass is.
Hardly. You may be able to see how much heavier it is, or some such,
but without testing them to destruction you won't be able to tell which
is actually stronger.
/~\ The ASCII der Mouse
\ / Ribbon Campaign
X Against HTML mouse at rodents.montreal.qc.ca
/ \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B