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It says > The stamped indentations on the sides serve two purposes: to stiffen the side sheet metal and to allow greater area for expansion and contraction of
by edflsafoiewq 5y ago
It says
> The stamped indentations on the sides serve two purposes: to stiffen the side sheet metal and to allow greater area for expansion and contraction of the contents with heat and cold
How does it do that?
- MrLeap 5y agoSame principle behind corrugated steel / I-Beams, C-Beams, cardboard. If you fold a piece of paper like an accordion, you'll find it's much harder to bend the paper along one axis but the parallel axis is easy. Notice the indentations on the jerrycan are in perpendicular directions (they look like an X).