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2. Concrete mixer - Wikipedia

   en.wikipedia.org/wiki/Concrete_mixer

   Concrete mixer. A concrete mixer (also cement mixer) is a device that homogeneously combines cement, aggregate (e.g. sand or gravel), and water to form concrete.A typical concrete mixer uses a revolving drum to mix the components.

3. Concrete grinder - Wikipedia

   en.wikipedia.org/wiki/Concrete_grinder

   A concrete grinder is an abrasive machine for grinding and polishing concrete and natural stone. Concrete grinders can come in many configurations, the most common being a hand-held general purpose angle grinder, but it may be a specialized tool for countertops or floors. Angle grinders are small and mobile, and allow one to work on harder to ...

4. Heidelberg Materials - Wikipedia

   en.wikipedia.org/wiki/Heidelberg_Materials

   The enlarged group has activities in over 50 countries with 51,000 employees working at almost 3,000 production sites. Heidelberg Materials operates around 130 cement plants with an annual cement capacity of around 170 million tonnes, around 1,300 ready-mixed concrete production sites, and just under 600 aggregates quarries. [2]

5. Grinding machine - Wikipedia

   en.wikipedia.org/wiki/Grinding_machine

   Rotating abrasive wheel on a bench grinder. Pedal-powered grinding machine, Russia, 1902. A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for grinding. It is a type of material removal using an abrasive wheel as the cutting tool. [1]

6. Cement - Wikipedia

   en.wikipedia.org/wiki/Cement

   Concrete is the most widely used material in existence and is behind only water as the planet's most-consumed resource. [ 2 ] Cements used in construction are usually inorganic , often lime - or calcium silicate -based, and are either hydraulic or less commonly non-hydraulic , depending on the ability of the cement to set in the presence of ...

7. Industrial processes - Wikipedia

   en.wikipedia.org/wiki/Industrial_processes

   Certain chemical process yield important basic materials for society, e.g., (cement, steel, aluminum, and fertilizer).However, these chemical reactions contribute to climate change by emitting carbon dioxide, a greenhouse gas, through chemical reactions, as well as through the combustion of fossil fuels to generate the high temperatures needed to reach the activation energies of the chemical ...