Thanks everyone for the responses. That was a lot of good
information. We do have the tanks that you can dip the photos
into but we never got a demo on how to do that so I want to
stick with tray developing for now. Thanks for the advice about
the chemicals. I wasn't aware that just coming into contact with
them could be bad. I'll be sure to use a little bit more
developer than I need.  On that note - should I start off with
D-76 or HC-110? I've heard that the Arista stuff comes out
pretty nice with D-76 and I also heard that if I was to use
HC-110, then it should be diluted to a weaker dilution to
lengthen development time since it's very quick for Arista.
What kind of gloves should I be using? Latex?  As for agitation
and scratches and number of photos - For a beginner at this,
would it be better to develop one at a time in a tray or do
multiples in one tray? If I'm doing multiples, then should I do
the shuffle method instead of rocking the tray? And if I'm doing
a single sheet, the agitation would either