>This reminds me that a friend was using unenclosed and very powerful
>industrial
>UV mercury vapour lamps, 1500 watts, arranged so that the work pieces were
>vertical and the light horizontal. he spent too much time in this UV light and
>developed cancers on the eye lids.
I suspect that one of the reasons why UV is treated so carelessly is that
most people, from what I can see, don't call it properly. It is not UV
LIGHT. It is UV RADIATION! The part of the spectrum one can see is referred
to *light*. What cannot be seen is *radiation*.
Luis Nadeau
nadeaul@nbnet.nb.ca
Fredericton, New Brunswick, Canada