The structural integrity of the railing depends heavily on the posts that support the rail structure. These posts should be no farther apart than six feet on the flat deck and no farther apart than 5 1/2 feet on stairs. Your local building department might require closer post spacing for added rail strength.
An intersection is an at-grade junction where two or more roads meet or cross. Intersections may be classified by number of road segments, traffic controls, and/or lane design. This article primarily reflects practice in jurisdictions where vehicles are driven on the right.
If you were at the intersection then you would see KFC. KFC is at the intersection of Main and Madison. In other words, the intersection of sets is the set of elements or numbers common to both sets. The union of sets is like a marriage of elements and numbers in the sets. When a husband and wife marry (often referred to as a union), they bring all of their belongings under one household.