Formulas for Forging Armor:

Bent Screw/Bent Screw/Iron Scraps       Light Armor
Bent Screw/Iron Scraps/Iron Scraps      Heavy Armor
Bent Screw/Bent Screw/Bent Screw        Lightning
Bent Screw/Iron Scraps/Glass Shard      Stout Mail
Bent Screw/Dirty Filter/Glass Shard     Quicksilver
Dirty Filter/Iron Scraps/Burnt Plug     Booster
Glass Shard/Glass Shard/Glass Shard     Psychometer
Iron Scraps/Iron Scraps/Iron Scraps     Mithril Rig 

Easy money, method 1:
     Simply  go  to  one off the apple trees and stock up 99 off them,
then  go  to  the  nearest  shop and sell them for 10Z each wich makes
990Z! in the start of the game this is a lot but later on it isnt worh
the effort anymore.

Easy money, method 2:
     Go  to  the island south of Lyp, there is a Moza plant there wich
you  can cut Moza Grass off, again, stock up till you have 99 and sell
them for 50Z each, that makes about 5000Z!