That would be the bubble hash section, which is a safe technique for noobies, especially those who don't follow directions well, or are unable to walk and chew gum at the same time.
You can also vaporize the resins and re-condense them again, avoiding all solvent.
Zing!
I have dabbed the clear translucent gold resin that was once vaporized from flowers and recondensed in my whip. Leaves no residue on the nail and the effects were very stoney. Not the best flavor however.