Hydrocarbon, any of a class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H). The carbon atoms join together to form the framework of the compound; the hydrogen atoms attach to them in many different configurations. Hydrocarbons are the principal constituents of petroleum and natural gas.
Use slab in a sentence. 1  a piece that is flat, broad, and fairly thick: a slab of concrete, a slab of bread.  any of the rough, outer pieces cut from a log, as in sawing it into lumber.
Travertine slabs refer to large pieces of Travertine which are i.e. custom cut with CNC machines to produce counter tops. are usually 2-5 cm (centimeters) thick. The width of a slab is up to 67, the length of a travertine slab is up to 115.