Milker+shearer+cheesemaker, recovering wounded + feed patients (Nurse), the other medical skills (Doctor), gem cutting + gem setting, the fishing skills, and the metalsmithing skills.
Looking at my current fort, 35% of my Dwarves are children, 8% are dedicated military, 6% are dedicated garbage haulers (and I can't wait for some kids to grow up, because the garbage is piling), 6% are dedicated builders, ~15% are dedicated haulers (and again, I need more kids to grow up, because hauling is painfully slow; haven't bothered to learn minetracks yet). So that leaves the valuable 30% of my fort, all but a handful having only one skill enabled, and most of them legendary. My most valuable dwarf is a high-endurance badass with Legendary +5 in all the smithing skills. He's burrowed 140 levels below my main fortress in a mini-palace of his own, with two legendary furnace operators constantly feeding him. I should set up a cave-in lever that can cut his mini-palace off from the rest of the fortress in case of !!FUN!!, now that I think about it.
Mason/Growers: I need ~10 dedicated Growers working full-time (so I have 12-13), and my two Legendary masons have a big backlog of doors to make.
Clothing industry: 2 dedicated dyers, 2 dedicated clothesmakers, 1 each of plant processer and weaver, and a web-collector.