The Missing Mechanical Parts

I better go see Cheng the Assistant, who should be somewhere around Toy Factory

Start with Assistant Cheng in Toy Factory <Process 1> Zone 1 or Toy Factory<Sector 4>

Level

30+

Job

Swordsman, Fighter, Crusader, Hero, Page, White Knight, Paladin, Spearman, Dragon Knight, Dark Knight, Magician, Wizard (F/P), Mage (F/P), Arch Mage (F/P), Wizard (I/L), Mage (I/L), Arch Mage (I/L), Cleric, Priest, Bishop, Archer, Hunter, Ranger, Bowmaster, Crossbowman, Sniper, Marksman, Rogue, Assassin, Hermit, Night Lord, Bandit, Chief Bandit, Shadower, Pirate, Brawler, Gunslinger, Marauder, Outlaw, Buccaneer, Corsair