to Aeiouman:UNMELTABLE ICE GUD FOR MAKING MY AIR COLD
Steel: it's in the stock game, Unmeltable ice: useless, heater: it's in the stock game, cooler: it's in the stock game, logic gates: it's in the stock game, indestructible conductor: it's in the stock game, gravity and pressure movable solid: it's in the stock game (except the gravity part), boron and xenon: it's in the stock game (GOLD absorbs neutrons well, NBLE is xenon)