Add a skill under adventure called inspect, inspect can be used on buildings (kilns, ovens, crucibles) to know the average quality.
Since we have hide straps we could use them in crafting recipes:
Replace the 2 leather for 2 hide straps on battleaxe.
Add hide straps for plate armor, bronze plate, soldier's gauntlets, soldiers helmet, miner's helm, smithy's hammer, all 3 swords, leather boots, cuirass and cutthroat cuirass.
Add string for leather boots.
Make quiver cost 3 leather and 1-2 hide straps, have a formula that determines arrow carrying capacity dependant on quiver quality. (could even be something simple like in traveleres sack)
Add 1-2 boards for the oven requirements.
Make pickaxe require wood blocks like scythe, shovel and sledgehammer.
Clay cauldron seems to have 4 legs, so it should have 4 wood blocks in requirements too.
Increase metal requirement on mine suports and decrease their base radius coverage. Make q of materials matter on the radius coverage.
Increase linen requirement on carpets and make them increase your happiness like when you are around them. (counterpart of corpses)
Candelabrums near eating tables increase the fep bonus by a small ammount. And make candles a usable item for fep tables, with candles made from candleberry wax give twice the fep bonus due to its aroma.
Create a new container called haystack, requires 1 branch and 4 straw and allows the storage of a large ammount of straw, each 50 straw added the container grows by 1 tile with diminishing returns due to straw also growing in height.
Barrels should require some metal (now that its more common) for the metal hops, and you should be able to right click them to turn them down and roll them on floor at walk speed, crawl speed on the bumpy terrain.
Make a new liquid container that doesnt require metal but has smaller carrying capacity than barrels.
Make oaks bark called cork or add a new tree for cork and add cork requirement for wine bottles.