Did you know? Save to read list Published by Joseph Green, Editor World Cement, Thursday, 01 December 2016 09:12 Advertisement Lime is among the oldest and most vital materials used by humans. Most ancient languages have a word for calcium oxide. In Latin it is calx, from which the name of the element calcium is taken. Read the article online at: https://www.worldcement.com/special-reports/01122016/did-you-know/ You might also like Optimisation 2019 Optimisation 2019 is an online conference for professionals in the cement sector. Since this is a completely virtual conference, you can join us from anywhere in the world, absolutely free. Register for free today » World Cement Association appoints Vice President Wednesday 17 July 2019 10:00 The WCA has announced Mohammed A. Al-Garni as its Vice President. Embed Embed article link: (copy the HTML code below): Did you know?