A pressure bulkhead for a fuselage of an aircraft is configured for bounding a fuselage interior relative to an external environment. The pressure bulkhead includes a flat skin configured to span a cross-section of the fuselage and having a cavity disposed at a core region of the skin. The core region...
The Iron Ring is a symbolic ring worn by most Canadian engineers. The Ring is a symbol of both pride and humility for the engineering profession, and is always worn on the pinky of the dominant hand. In the United Kingdom the signet ring is traditionally worn on a gentleman's left fifth digit.
From signet rings to wedding bands, a ring on the left pinky finger can symbolize a number of different things. Marital status: Two rings on the left pinky finger once indicated that a man was married. The bottom ring was the wedding ring, followed by the signet ring on top. Popular during the 19th and early 20th centuries, this custom has since fallen out of favor.