in·tel·li·gent adj. Showing sound judgment and rationality.

think·ing adj. To put on one's thinking cap to ponder a matter or problem.

pre·cast adj. Relating to or being a structural member, especially of concrete, that has been cast into form before being transported to its site of installation.

con·crete adj. A mass formed by the coalescence of particles, forming a hard, strong construction material.

de·sign vb. to work out the structure or form of (something), as by making a sketch, outline, pattern, or plans.

so·lu·tion n. the act or process of solving a problem.

in·dus·try n. Commercial production and sale of goods.

man·u·fac·ture v. To make or process (a raw material) into a finished product, especially by means of a large-scale industrial operation.

pur·pose n. A fixed design, outcome, or idea that is the object of an action or other effort.