
1) Concrete 2) Construction terminology
Found on
https://www.crosswordclues.com/clue/concrete-slab

A concrete slab is a common structural element of modern buildings. Horizontal slabs of steel reinforced concrete, typically between 4 and 20 inches (100 and 500 millimeters) thick, are most often used to construct floors and ceilings, while thinner slabs are also used for exterior paving. In many domestic and industrial buildings a thick concrete...
Found on
http://en.wikipedia.org/wiki/Concrete_slab

A horizontal platform used to construct the ceiling or the floor of the building.
Found on
https://1build.com/blog/construction-terms/

One of the few construction elements that is used in the vast majority of all structures, a concrete slab is the thick (average of 10-40 cm) horizontal concrete platform which is created to construct the floor or ceiling. There are several slab designs (corrugated, ribbed, waffle, one-way) and each one corresponds to the design or endurance require...
Found on
https://www.archdaily.com/898221/45-construction-terms-and-concepts-all-arc
No exact match found.