Coal and Charcoal pieces are used to cook a single item at a time, for potentially more efficient use of fuel.
Colored Cobblestone
Dark Glass
Coal Pieces
Gem Apples
Watering Cans
Meshes
Magnet
Night Vision Goggles
Flint Gear
Paxels
Mortar and Pestle
Dye Powders
Repair Kits