Tapered shell
<img src="https://eng-calculations.com/SVG/EN/EN_13445-3/Tapered shell.svg" alt="Tapered_shell" title="Tapered_shell">
https://eng-calculations.com/SVG/EN/EN_13445-3/Tapered shell.svg
<img src="https://eng-calculations.com/SVG/EN/EN_13445-3/Tapered shell.svg" alt="Tapered_shell" title="Tapered_shell">
https://eng-calculations.com/SVG/EN/EN_13445-3/Tapered shell.svg