Activating this trainer

If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options

# Player 
     NumPad1: No Damage

# Inventory 
     NumPad2: Unlimited Supplies
     NumPad3: Unlimited Use or Multiply Materials

# Deposits 
     NumPad4: Unlimited Deposits

# Crafting 
     NumPad5: Easy Craft

Notes

No Damage:
Most things cannot harm you.

Unlimited Supplies:
Pick up then drop a supply and you have the max of that supply and likely all supplies in the inventory.

Unlimited Use or Multiply Materials:
Toggle on then pick up a supply then drop supply in another slot and it doubles.  Probably best to leave this off when not needed.

Unlimited Deposits:
Toggle on then harvest from deposit and you will have 9999 of that item in the deposit remaining.  Toggle off when not needed.

Easy Craft:
Toggle on and many things in the Crafting screens can be crafted even if you do not have the materials.  Toggle off when not crafting.  Another purpose of this is you can toggle off other Inventory options, then right click item in inventory to reduce it by half.  A good way to remove or decrease items in inventory.