$12,75$ MI$.(12$ isi

A wave brealcer at $409?$

be constructed at

an

$9\mathrm{.}0$

Me:

The

M$.0\mathrm{.}079+-0\mathrm{.}075\%$

LI None

Termie methos and where at of de moh of

reommmendis

"EBFefate siling shown.

$($A$)25mm$

$($D$)9\mathrm{.}5mm$

$($B$)20mm$

$($E$)12\mathrm{.}5mm$

$($C$)17\mathrm{.}5mm$