Please Define the Following Key Terms

question 7

Short Answer

Please define the following key terms.
-postal relay system

---

Definitions:

Interference-Fit Shank

A fastening technique where the shank (the long part of a fastener) is slightly larger than the hole, requiring force to insert and creating a tight fit.

Frame Bolt

A type of bolt specifically designed for securing parts of a machine or vehicle frame.

Grade 8

is a classification of bolts indicating a high level of strength, durability, and resistance to stress and wear, commonly used in demanding applications where strength is a critical factor.

C-Channel

A structural beam with a C-shaped cross-section, commonly made of steel, used in construction for framing and supports due to its strength and simplicity.