https://articlescad.com/why-yo....u-should-concentrate
https://anotepad.com/notes/bgkfmrck
World of Warcraft Item Upgrade and Set Bonuses The upgrade to an item is a kind of enchantment that increases the stats of specific weapons or armor. This includes secondary stats like Leech and Speed. A special evolution item that allows Porygon to evolve into Porygon2. This item is available at Pokestops or Gyms. Universal upgrades can be applied to any type of equipment and provide smaller bonuses compared to other components that are spec