Concrete
Of building material and paving.
A strong hard building material composed of sand and gravel and cement and water.
This concept's ID is @1~74914
Contains
- sand
A loose material consisting of grains of rock or coral.
- cement
A building material that is a powder made of a mixture of calcined limestone and clay; used...
- cement
Concrete pavement is sometimes referred to as cement; "they stood on the grey cement beside...
- reinforced concrete
Concrete with metal and/or mesh added to provide extra support against stre...