Poleturners produce spears for the army, for which they retrieve wood planks from the stockpile. These crafted weapons can be equipped by men-at-arms. Pikes are not created here; instead they are made in the weaponsmith's workshop.
These workshops should be built in high numbers in order to supply a steady flow of men-at-arms. Men-at-arms do not need to retrieve additional spears after they have thrown one; they take only one weapon per unit.