Scales were fixed with epoxy - no tangs because I think with modern glue they're not necessary - I hope.
I'm waiting to order some leather from Le Prevo unless I can find something I can recycle into a sheath.
Epoxy, like any other glues, is not perfect for all occasions. You need to make sure the surfaces you glue together are not contaminated, even the oil in you skin can cause problems, you can use acetone to degrease both the blade and the wood. The other thing epoxy is susceptible to, is heat, that can make it fail fairly quickly, particularly if the wood is dark, just keeping your knife a bit too close to a fire could soften the glue enough to make the scales part with the blade. The failure is in the molecular structure of the epoxy rather than in the way it sticks to the wood/metal.
A while back, I wanted to make a firesteel with a turned handle. So I epoxied the wood blank to the steel, and a couple of days later turned the handle on a lathe. Well, tried to. The small amount heat from turning the small bits of wood with the chisel was enough to make the glue heat up and fail.
Also, I had to remove a complete plank from the side of a boat once, it had been fitted poorly, all the tools needed to do that was a heat gun.