(24) INSTITUTION OF HIGHER EDUCATION-The term institution of higher education' has the meaning given that term in section 101(a) of the Higher Education Act of 1965.
Constituent Materials of Concrete. Concrete is a composite material consisting of a binder, which is typically cement, rough and fine aggregates, which are usually stone and sand, and water. These comprise the constituent materials of concrete.
Concrete is a type of artificial stone made by mixing dry aggregate (sand or gravel) and cement, then adding water. This makes a soft mix that can be molded easily or transported in a rotating concrete mixer. Different types of concrete can be made by varying the basic ingredients.