Place the end of the tape measure on the handrail at the point where the inner surface of the support post and handrail meet. Mark your first measurement at the distance from the post indicated by your answer in Step 5. In this example, place a mark 6 inches from the support post.
Definition: A Tier 1 ISP is an ISP that has access to the entire Internet Region solely via its free and reciprocal peering agreements. Definition: An ISP is entity that provides (usually sells) access to the global Internet. Definition: An Internet Region is a portion of the Internet network typically bounded by a country's geographical boundaries.
Tier III (or Level 3, abbreviated as T3 or L3) is the highest level of support in a three-tiered technical support model responsible for handling the most difficult or advanced problems. It is synonymous with level 3 support, 3rd line support, back-end support, support line 3, high-end support, and various other headings denoting expert level troubleshooting and analysis methods.