Use any wood block to fuel the furnace, anything from stairs to signs.
Smelt wood logs to make charcoal, which can be used to make torches.
Renew The Tools
Craft two low durability items together to combine their durability.
You can place torches on furnaces and crafting tables by placing glass behind them and trying to place the torch on the glass!
You can place blocks on the sides of torches; you don't need to place extra blocks to do the same thing anymore!