E

rarity: tier 0 of 4 (0 common, 4 legendary)
in water: floats
used in: LADDER, BELT, TUBE, CRATE, SEED, SPORE, VINE, COPPER, CALCITE, HOPPER, SORTER, GATE, SPLITTER, PRESS, TURRET, GLUE, VALVE, WIRE, FRAME, TREAD, BOILER, HEARTH, HOUSE, BED, LEVER, BINDER, EMBER, FUME, SCREEN, SIFTER