Artyom's bracer, gas mask, armour, weapons and other tools can now be upgraded with various alterations. Each modification can affect the stats of the given piece of gear, such as making you easier to spot or giving you more protection from damage in the field. Ammunition, with its many variants, can also be crafted at these workstations. Glowing mushrooms can be harvested for chemicals to later be used in crafting. Smaller items, such as tins thrown to distract enemies, can be made in the field via the backpack.