Ancient Greeks discovered the uses of various mixtures of petroleum, pitch, resins, sulfur, and quicklime as incendiary weapons, delivered by catapults, arrows, firebombs, and ships.
Limestone is refined to produce calcium oxide, or quicklime, for cement, in a reaction known as calcination, which releases a lot of carbon in the form of CO2.
石灰石被提炼以生产用于水泥的氧化钙或生石灰, 在称为煅烧的反应中,该反应以 CO2 的形式释放大量碳。