Assembly Line

Toothpaste to Skyscraper

2 steps apart.

  1. Toothpasteuses limestone at Grind the abrasive
  2. Limestonegoes into window glass at Batch the raw materials
  3. Window glassgoes into skyscraper at Hang the glass skin
  4. Skyscraper

Same ground

Both start with:

LimestoneSilica sandWaterClayRock saltNatural gasCoalAirSulfurCrude oilBauxiteTimberIron oreCornSugarcaneSugar beet

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