Number of combinations created in this step: 29

222. Hummingbirds = Birds + Flowers
223. Cocoon = Caterpillar + Trees
224. Grains = Cereals + Metals
225. Straw = Cereals + Metals
226. Hamsters = Cereals + Rodents
227. Rice = Cereals + Water
228. Chemical Waste = Chemical Rubbish + Container
229. Electric Boiler = CuZn Battery + Incomplete Boiler
230. Borehole = Earth + Drilling Rig
231. Frozen Alien = Freezer + Alien
232. Fruits = Fruit Trees + Wormy Compost
233. Cement = Hydrated Lime + Clay
234. Ironwood = Iron + Wood
235. Tortoises = Lettuce + Reptiles
236. Bear = Mammals + Honey
237. Oxygen Container = Oxygen + Container
238. Uranium = Radioactivity + Metals
239. Sugar = Sugar Cane + Metals
240. Waterbirds = Water + Birds
241. Termites = Wood + Ants
242. Woodpeckers = Wood + Birds
243. Tools = Wood + Metals
244. Beavers = Wood + Rodents
245. Incomplete Building = Wood + Stone
246. Boat = Wood + Water
247. Woodworms = Wood + Worms
248. Atom Battery = Active Robot + Radioactivity + CuZn Battery
249. Plutonium = Radioactivity + Radioactivity + Metals
250. Cellulose = Water + Sulfuric Acid + Wood
251. Ash = Wood + Fire + Fire