Expanding thins the wall rather than thickening it, so the joint loses section where it needs strength most. Roundness, springback and distance from the bend decide the result.
A swaged end thickens as it shrinks, which is both why the joint holds and why a badly set die leaves a wrinkle exactly where the clamp will later sit.
The hall empties and nothing appears to have changed. Then drawings arrive in December. Where a November show actually shows up: in triage, in tooling decisions, and in a shortlist consulted two years later.
The space is the smallest line on the bill. Freight, unrecovered display parts, staff who are not producing and the enquiries nobody answered: the shape of a show's cost, described without inventing a figure.
Ten minutes is enough for one question, answered properly. How to read a weld in under a minute, why the process sequence matters more than the machine list, and what the stand cannot tell you at all.
A bag of business cards is a bag of strangers. What actually converts a show into usable information: captioned photographs, the drawing you were shown, notes on answers rather than claims, and one cut section.
The follow up decides whether a show converts. What to send and in what order, why a generic message fails mechanically, and the point at which persistence stops being persistence and becomes noise.
Fitment questions arrive sideways at every show. Why a vehicle list is not an answer, which clearances actually decide whether a part fits, and why an early no is worth more to a buyer than a polite maybe.